, quantitativeresearch refers to the systematic empirical investigation of quantitative property quantitative properties and phenomena and their Causality relationship s. The objective of quantitativeresearch is to develop and employ mathematical model s, theories and or hypotheses pertaining to phenomena. The process of measurement is central to quantitativeresearch because it provides the fundamental connection between empirical observation and mathematical expression of quantitative relationships. Quantitativeresearch is used widely in social sciences such as psychology , sociology , anthropology , and political science . Research in mathematical sciences such as physics is also quantitative ... 39 290 306 ref Overview Quantitativeresearch is generally made using scientific method s, which ..., quantitativeresearch is often contrasted with qualitative research which is the examination ... theories that can be tested using further quantitativeresearch. For instance, in the social sciences ... Statistics is the most widely used branch of mathematics in quantitativeresearch outside of the physical ... and biology. Quantitativeresearch using statistical methods starts with the collection of data, based ..., it has been argued that measurement often plays a more important role in quantitativeresearch. For example, Kuhn argued that within quantitativeresearch, the results that are shown can prove .... This field is central to much quantitativeresearch that is undertaken within the social sciences. Quantitativeresearch may involve the use of Proxy statistics proxies as stand ins for other .... Quantitative methods Quantitative methods are research techniques that are used to gather quantitative ... Market researchQuantitative marketing research Statistical survey Qualitative research Antipositivism References reflist DEFAULTSORT QuantitativeResearch Category Research Category Scientific method Category Quantitativeresearch Category Evaluation methods Category Research methods ar ... more details
Unreferenced date March 2009 Quantitative psychological research is defined as psychology psychological research which performs mathematical modeling and statistical estimation or statistical inference . This definition distinguishes it from so called qualitative psychological research however, many psychologists do not acknowledge any real difference between quantitative and qualitative research. The validity of the distinction is discussed in the article about qualitative psychological research. Statistics is widely used in quantitative psychological research. Typically a project begins with the collection of data based on a theory or hypothesis, followed by the application of descriptive or inferential statistical methods. Often it is necessary to collect a very large volume of data, which require validating, verifying and recoding. Software packages such as PSPP and R programming language R are typically used for this purpose, and for subsequent analysis. Causal relationships are studied by manipulating factors thought to influence the phenomena of interest while controlling other variables relevant to the experimental outcomes. Researchers might measure and study the relationship between education and measurable psychological effects, whilst controlling for other key variables. Quantitatively based surveys are widely used by psychologists, and statistics such as the proportion of respondents who display one or more psychological traits reported. In such surveys, respondents are asked a set of structured questions and their responses are tabulated. The software can then perform correlation analysis or other procedures on the data. Psychology Category Fields of application of statistics Category Experimental psychology Category Quantitativeresearch Category Statistical data types psych stub ... more details
Wikify date January 2010 More footnotes date January 2010 Quantitative marketing research is the application of quantitativeresearch techniques to the field of marketing. It has roots in both the positivism ... See also Choice Modelling Quantitativeresearch Qualitative research Enterprise Feedback Management ... Quantitativeresearch Category Fields of application of statistics pt Pesquisa de mercado quantitativa ... Ps of marketing Product, Price, Place location and Promotion. As a social research method, it typically ... Typical general procedure Simply, there are five major and important steps involved in the research process Defining the Problem. Research Design. Data Collection. Analysis. Report Writing & presentation ... and measurable behaviours? Hypothesis specification What claim s do we want to test? Research ... data so it is compatible with statistical techniques and with the objectives of the research examples ... mean? What conclusions can be drawn? How do these findings relate to similar research? Write the research ... software such as DAP software DAP , PSPP or Q research software Q . The data collection steps, can ... is a skill mastered only by experience. Statistical analysis The data acquired for quantitative marketing research can be analysed by almost any of the range of techniques of statistical analysis , which .... Reliability and Validity Research should be tested for reliability psychometric reliability , generalizability ... results. Test retest reliability checks how similar the results are if the research is repeated under .... Alternative forms reliability checks how similar the results are if the research is repeated using ... in the research are converted into a composite measure. Internal consistency may be assessed by correlating ... be improved by increasing the sample size. Validity asks whether the research measured what it intended to. Content validation also called face validity checks how well the content of the research are related to the variables to be studied it seeks to answer whether the research questions are representative ... more details
Wiktionary The term quantitative refers to a type of information based in quantity quantities or else quantifiable data objectivity science objective properties &mdash as opposed to Qualitative disambiguation qualitative information which deals with apparent wikt quality qualities subjective properties . It may also refer to Quantitative property , a measurable property such as distance, mass, or time or productivity Quantitativeresearch , scientific investigation of quantitative properties Meter poetry Quantitative verse , a metrical system in poetry Statistics , also known as quantitative analysis Numerical data , also known as quantitative data See also Quantity Quantification Quality philosophy Qualitative disambiguation disambig ... more details
Refimprove date December 2006 Psychology sidebar Research in quantitative psychology develops psychological theory in relation to mathematics and statistics. Psychological research requires the elaboration of existing methods and the development of new concepts, so that quantitative psychology requires more than applications of statistics and mathematics. Quantitative psychology has two major subfields, psychometrics and mathematical psychology , which are associated most to statistics and mathematics . Research in psychometrics develops Statistics statistical procedures for the problems of psychology, such as psychological scaling , and testing. Research in mathematical psychology develops of novel mathematical models that describe psychological processes. ref name Edwards Edwards, Michael C. http faculty.psy.ohio state.edu edwards documents APA05Edwards MillsapSymposium.pdf . ref Quantitative psychology is served by several scientific organizations. These include the Psychometric Society, Division 5 of the American Psychological Association Evaluation, Measurement and Statistics , the Society for Multivariate Behavioral Research, and the European Society for Methodology. Associated disciplines include statistics , mathematics , educational measurement, educational statistics, sociology, and political science. Several scholarly journals reflect the efforts of scientists in these areas, notably Psychometrika and Psychological Methods . Currently, over two dozen American universities offer Ph.D. programs in quantitative psychology within their psychology departments and additional universities offer similar programs through their education programs . ref name Edwards ref name Clay Clay, Rebecca. http www.apa.org monitor sep05 quantitative.html . ref There is also a comparable number of Master level programs in quantitative psychology in the US. References reflist External ... Research http www.smabs.org The European Society for Methodology http www.cogs.indiana.edu socmathpsych ... more details
In CAD CAM, quantitative invisibility QI is the number of solid bodies that obscure a point in space as projected onto a plane. Often, CAD engineers project a model into a plane a 2D drawing , they wish to denote edges that are visible with a solid line and those that are hidden with dashed or dimmed lines. Tracking the number of obscuring bodies gave rise to an algorithm that propagates the quantitative invisibility throughout the model. This technique uses edge coherence to speed calculations in the algorithm. However, QI really only works well when bodies are larger solids, non interpenetrating, and not transparent. A technique like this falls apart when applied to soft organic tissue as found in the human body, because there is not always a clear delineation of structures. Also, when images become too cluttered and intertwined, the contribution of this algorithm is marginal. Arthur Appel of the graphics group at IBM Watson Research coined the term quantitative invisibility and used in several of his papers. External links http wheger.tripod.com vhl vhl.htm Vector Hidden Line Removal and Fractional Quantitative Invisibility References refbegin Appel, A., The Notion of Quantitative Invisibility and the Machine Rendering of Solids, Proceedings ACM National Conference, Thompson Books, Washington, DC, 1967, pp. 387 393, pp. 214 220. refend Category 3D computer graphics ... more details
cleanup date May 2009 wikify date May 2009 Quantitative Pharmacology QP is an organized approach integrating individuals from different disciplines in a combined effort to develop quantitative models in order to solve specific, complex, and multivariate problems in drug development . QP translates the relationship s between disease , drug action , and individual variability into improved patient outcomes by leveraging improved teamwork and collaboration to enable quantitative decision making processes from Drug discovery early discovery to late stage development. QP encourages more transparent and objective study designs, as well as more data driven risk taking to optimize timelines, analyses, and decision making, resulting in greater efficiency in the drug development process. Incorporation of QP methodologies will help gain a better understanding of the mechanism of drug disease interactions and identify molecular targets with high probability of impacting disease e.g., use of proteomics ... Zhang L, Pfister M, Meibohm B. Concepts and Challenges in Quantitative Pharmacology and Model Based ... of quantitative pharmacology in the development of HAE1, a high affinity anti IgE monoclonal antibody.AAPS ..., Huang XH, Fossler MJ, Sun RY. Globalization of quantitative pharmacology first international symposium of quantitative pharmacology in drug development and regulation. J Clin Pharmacol. 2008 Jul 48 7 787 92. Epub 2008 May 19. PMID 18490494 Barrett JS. The role of quantitative pharmacology in an academic translational research environment. AAPS J. 2008 10 1 9 14. Epub 2008 Feb 5. Review. PMID 18446501 Atkinson AJ Jr, Lalonde RL. Introduction of quantitative methods in pharmacology and clinical ... 17571065 Holford N, Karlsson MO. Time for quantitative clinical pharmacology a proposal for a pharmacometrics ... R. Quantitative clinical pharmacology Making paradigm shifts a reality. J Clin Pharmacol. 2006 ..., Peck R, Allerheiligen SR. Model based drug development the road to quantitative pharmacology. J Pharmacokinet ... more details
research. The main claim for the quantitative revolution is that it led to a shift from a descriptive idiographic geography to an empirical law making nomothetic geography. Note The quantitative ... , the quantitative revolution was one of the four major turning points of modern geography the other three being environmental determinism , regional geography and critical geography . The quantitative ... research was not adequate in explaining how physical, economic, social, and political ... for a given time and place. A more abstract, theoretical approach to geographical research has emerged ... the form of tested hypotheses, models, or theories and the research is judged on its scientific fit ... method , the quantitative revolution began. The Revolution The Quantitative Revolution began ... States. First emerging in the late 1950s and early 1960s, the Quantitative Revolution ... thinking to geography, the quantitative revolution led to an increased use of computerized statistics statistical techniques , in particular multivariate analysis , in geographical research. The newly ... needed date March 2010 Some of the techniques that epitomize the quantitative revolution include ... of probability Proponents of quantitative geography tended to present it as bringing science to geography. Citation needed date March 2010 In fact, the particular contribution of the quantitative revolution ... March 2010 The overwhelming focus on statistical modelling would, eventually, be the undoing of the quantitative ... the human and natural world alike. As the 1970s dawned, the quantitative revolution came under ... of the quantitative revolution was not the revolution itself but the effects that came afterwards in a form ... and the further development of theoretical geography offered to geographical research a necessary .... Eventually the quantitative revolution had its greatest impacts on the fields of physical, economic ... geography Citation needed date March 2010 see the article about critical geography . The quantitative ... more details
Quantitative History is an approach to history historical research that makes use of Quantitativeresearchquantitative , statistical and computer tools. It is considered a branch of social science history ... sciences methodology Category Quantitativeresearch es Historia cuantitativa fr Histoire quantitative ... jih Journal of Interdisciplinary History online ref Data bases social and political Quantitative historians ... university Consortium for Political and Social Research ICPSR at the University of Michigan ... is a technique borrowed from journalism research whereby newspapers, magazines or similar sources ... Bibliography Aydelotte, William O., Allan G. Bogue, and Robert William Fogel, eds. The Dimensions of QuantitativeResearch in History Princeton University Press, 1972 . Essays by leading pioneers with case ... textile workers in 1888 90 Clubb, J. M., and E. K. Scheuch eds. Historical Sozial Research The Use ... Jensen. Historian s Guide to Statistics, Holt, 1971 Krieger 1973 detailed textbook of quantitative ... and Kirk Jeffrey. Understanding Quantitative History M.I.T. Press, 1990 . textbook Hollingsworth, T.H. ... to Quantitative Approaches Arnold, 2000 . Comprehensive textbook examples drawn mainly from British sources. Jarausch, Konrad H. and Kenneth A. Hardy, Quantitative Methods for Historians A Guide to Research, Data, and Statistics University of North Carolina Press, 1991 . textbook Kousser, J.M., History QUASSHed quantitative social scientific history. American Behavioral Scientist 23 1980 ... for Quantitative Work in History, Yale UP 1972 Kimberly A. Neuendorf. The Content Analysis Guidebook 2002 Rowney, D.K., ed. Quantitative History Selected Readings in the Quantitative Analysis ... and Research Atheneum, 1970 . Early essays on methodology, and examples of political, economic, and social ... http www.icpsr.umich.edu Interuniversity Consortium for Political and Social Research ICPSR at the University of Michigan http visualstatistics.net East West Quantitative 20History QuantitativeHisttory.htm ... more details
Quantitative analysis may refer to Quantitative analysis finance , an analysis technic applying mathematics stochastic calculus to finance Quantitative analysis chemistry , in analytical chemistry, the measurements of quantities of substances produced in reactions rather than simply noting the nature of the reactions Quantitative analysis may also be Statistics and statistical analysis techniques rather than the use of mathematical material in social science Quantitative analysis of behavior Mathematical psychology disambig es An lisis cuantitativo fr Analyse quantitative it Analisi quantitativa ... more details
Qualitative data Quantitativeresearch Quantity Unit of measurement DEFAULTSORT Quantitative Property Category Physical quantities Category Measurement da Kvantitativ fr Variable quantitative nl Kwantitatief ...mergeto Quantity date July 2009 Image Roberval.jpg thumb 300px right A scale for measuring mass A quantitative property is one that exists in a range of magnitudes, and can therefore be measurement measured with a number. Measurements of any particular quantitative property are expressed as a specific quantity, referred to as a Unit of measurement unit , multiplied by a number. Examples of physical quantities are distance , mass , and time . Many attributes in the social sciences, including abilities and personality traits, are also studied as quantitative properties and principles . Fundamental considerations in quantitativeresearch Numbers obtained through an experimental procedure are considered measurements depends upon how measurement is defined. The nature of measurement depends upon the structure of a continuous quantity and the particular test method . The reason for this is that such theories and laws display a multiplicative structure for example Newton s second law . fact date March 2011 Continuous quantities are those for which magnitudes can be represented as real numbers and for which, therefore, measurements can be expressed on a continuum mathematics continuum . Continuous quantities may be scalar physics scalar or vector geometric vector quantities. For example, SI units are physical units of continuous quantitative properties, phenomena, and relations such as distance ..., imply that an attribute is quantitative. For example, judges routinely assign numbers ... quantitative structure in any sort of rigorous fashion. A researcher might also use the number 1 to mean ... numbers. A person s name is not, therefore, a quantitative property. Whether counts of objects ... of an underlying quantitative attribute, such frequencies will generally indicate relative magnitudes ... more details
pp semi protected small yes Public finance Quantitative easing QE is an unconventional monetary policy ... as the yield is above zero . ref name guardiannews cite news title Guardian Business Glossary Quantitative ... Quantitative easing shifts monetary policy instruments away from interest rates, towards targetting .... ref cite web title Quantitative Easing Explained url http www.bankofengland.co.uk monetarypolicy ... government bonds will no longer lower interest rates. Quantitative easing may then be used by the monetary ... system and lowering interest rates further out on the yield curve . ref name Q&A Quantitative easing ... loan portfolio. ref name bbcnews History In Japan The original Japanese expression for quantitative ... publication edps 2002 02 E 03.pdf One Year Under Quantitative Easing , Institute for Monetary ... announcement of this date does not make any use of this expression or any phrase using quantitative ... had for years, including as late as February 2001, claimed that quantitative easing is not effective ... quantitative easing. This became the established official view, especially after Toshihiko Fukui ... quantitative easing or its Japanese original ryoteki kinyu kanwa . This expression had been used since the mid 1990s by critics of the Bank of Japan and its monetary policy. Quantitative easing was used ... 2000s . ref name Q&A Quantitative easing ref cite news url http news.bbc.co.uk 2 hi 8517760.stm title ... 4 April 2011 ref ref cite web author Mark Spiegel title FRBSF Economic Letter Quantitative ... download.cgi?db name MMF2010&paper id 153 New Evidence on the Effectiveness of Quantitative Easing in Japan ... 1999. With quantitative easing, it flooded commercial bank s with excess liquidity to promote private ... Quantitative Easing.htm PIMCO Tomoya Masanao interview ref After 2007 More recently, similar policies ... of 2007 2010 . Quantitative easing was used by these countries as their interbank interest rates ... these by corresponding subtractions. In the same period the United Kingdom also used quantitative ... more details
The aim of quantitative proteomics is to obtain quantitative information about all protein s in a sample. ref cite journal author Ong SE, Mann M date 2005 title Mass spectrometry based proteomics turns quantitative journal Nature Chemical Biology volume 1 pages 252 262 pmid 16408053 url http www.nature.com nchembio journal v1 n5 abs nchembio736.html doi 10.1038 nchembio736 issue 5 ref ref name pmid17668192 cite journal author Bantscheff M, Schirle M, Sweetman G, Rick J, Kuster B title Quantitative mass spectrometry in proteomics a critical review journal Anal Bioanal Chem volume 389 issue 4 pages 1017 31 year 2007 month October pmid 17668192 doi 10.1007 s00216 007 1486 6 url ref Rather than just providing lists of proteins identified in a certain sample, quantitative proteomics yields information about differences between samples. For example, this approach can be used to compare samples from healthy and diseased patients. The methods for protein identification are identical to those used in general i.e. qualitative proteomics , but include quantification as an additional dimension. Mass spectrometry based proteomics Due to differences in ionization efficiency and or detectability the intensity of a peak in a mass spectrum is not a good indicator of the amount of the analyte. However, differences in peak intensity of the same analyte accurately reflect differences in its abundance. Therefore, in mass spectrometry based proteomics relative quantification is used to compare protein abundance between samples. This can be achieved by labeling one sample with stable isotope s alone or incorporated into protein crosslinkers like BisSulfosuccinimidyl suberate D4 BS3 , which leads to a mass shift in the mass spectrum. Differentially labeled samples are combined and analyzed together ... MS MS. Two dimensional gel electrophoresis Modern day gel electrophoresis research often leverages ... refbegin refend See also Protein mass spectrometry Quantitative proteomics bioinformatics stub ... more details
Research in Finance http cqa.org CQA Chicago Quantitative Alliance http prmia.org PRMIA Professional ...about analysts in finance analysts in chemistry Quantitative analysis chemistry A quantitative analyst is a person who works in finance using numerical or quantitative techniques. Similar work is done in most other modern industries, but the work is not always called quantitative analysis. In the investment industry, people who perform quantitative analysis are frequently called quants. See List of quantitative ... Robert C. Merton.jpg thumb Robert C. Merton , a pioneer of quantitative analysis, introduced stochastic calculus into the study of finance. Quantitative finance started in the U.S. in the 1970s as some .... See Master of Quantitative Finance Master of Financial Economics . Types of Quant Unreferenced ..., and hacking complex tasks together using Excel and ad hoc tools is not uncommon. Quantitative Investment Management Quantitative analysis used extensively by asset managers. Some, such as AQR or Barclays, rely almost exclusively on quantitative strategies while others, such as Pimco, Blackrock or Citadel use a mix of quantitative and fundamental methods. Virtually all large asset managers and hedge funds rely to some degree on quantitative methods. ref https www.cfainstitute.org learning topics ... of experience. Quantitative Developer Although most quants spend the majority of their time programming ... oriented quantitative analyst would be to develop a model for pricing, hedging, and risk managing a complex ... problem for a statistically oriented quantitative analyst would be to develop a model for deciding ... tools of quantitative finance is stochastic calculus . Areas of work Trading strategy development ... publications See also List of quantitative analysts 1900 Louis Bachelier , Th orie de la sp culation ... Quantitative Theory and Applications 1996 Philippe Jorion, Value at risk 1997 Espen Gaarder Haug ... 2004 Steven E. Shreve , Stochastic Calculus for Finance See also List of quantitative analysts ... more details
Quantitative Linguistics is a sub discipline of general linguistics and, more specifically, of mathematical linguistics . Quantitative Linguistics QL deals with language learning, language change, and application .... Piotrowski Hrsg. Quantitative Linguistik Quantitative Linguistics. Ein internationales Handbuch. de ... K hler, Gabriel Altmann, Rajmund G. Piotrowski Hrsg. Quantitative Linguistik Quantitative ... of Corpus and Quantitative Linguistics. Greek Antiquity. In Glottotheory 1, 2008, S. 48 54. ref Language laws in Quantitative Linguistics In QL, the concept of law is understood as the class ..., QL supports research into stylistics One of the overall aims is evidence as objective ... of Quantitative Study of Literature stylometrics . ref Alexander Mehler Eigenschaften der textuellen Einheiten und Systeme . In Reinhard K hler, Gabriel Altmann, Rajmund G. Piotrowski Hrsg. Quantitative Linguistik Quantitative Linguistics. Ein internationales Handbuch. de Gruyter, Berlin New York 2005, p. 325 348, esp. Quantitative Stilistik , p. 339 340. ISBN 3 11 015578 8 Vivien Altmann, Gabriel ... Aichele Das Werk von W. Fucks . In Reinhard K hler, Gabriel Altmann, Rajmund G. Piotrowski Hrsg. Quantitative Linguistik Quantitative Linguistics. Ein internationales Handbuch . de Gruyter, Berlin New ... of Japanese Quantitative Linguistics. In Glottometrics 10, 2005, p. 99 107. ref Augustus de Morgan ... ref L.A. Sherman Juhan Tuldava 1922 2003 ref Journal of Quantitative Linguistics 4, Nr. 1, 1997 ... Bibliography of Quantitative Linguistics. Benjamins, Amsterdam Philadelphia 1995, ISBN 90 272 3751 4. Reinhard K hler, Gabriel Altmann, Gabriel, Rajmund G. Piotrowski eds. Quantitative Linguistik Quantitative Linguistics. Ein internationales Handbuch An International Handbook . de Gruyter, Berlin New York 2005, ISBN 3 11 015578 8. Notes reflist External links IQLA International Quantitative Linguistics Association http www.iqla.org Category Quantitative linguistics Category Linguistics cs Kvantitativn ... more details
Quantitative ecology is the application of advanced mathematical and statistics statistical tools to any number of problems in the field of ecology . It is a small but growing subfield in ecology, reflecting the demand among practicing ecologists to interpret ever larger and more complex data sets using quantitative reasoning. Quantitative ecologists might apply some combination of deterministic or stochastic mathematical models to theoretical questions or they might use sophisticated methods in applied statistics for experimental design and hypothesis testing . Typical problems in quantitative ecology include estimating the dynamics and status of wild populations, modeling the impacts of anthropogenic or climatic change on ecological communities, and predicting the spread of invasive species or disease outbreaks. Quantitative ecology, which mainly focuses on statistical and computational methods for addressing applied problems, is distinct from theoretical ecology which tends to explore focus on understanding the dynamics of simple mechanistic models and their implications for a general set of biological systems using mathematical arguments. Selected bibliography Hilborn, R. and M. Mangel. 1997. The Ecological Detective Confronting Models with Data . Princeton University Press. Mangel, M. 2006. The Theoretical Biologist s Toolbox. Quantitative Methods for Ecology and Evolutionary Biology . Cambridge University Press. Poole, R. 1974. Introduction to Quantitative Ecology . McGraw Hill. Schneider, D. 1994, 2009. Quantitative Ecology Spatial and Temporal Scaling . Academic Press. Turner, M. and R. Gardner eds . 1991. Quantitative methods in landscape ecology . Springer. See also Theoretical ecology http www.washington.edu depts qerm Quantitative Ecology and Resource Management at the University of Washington, Seattle http www.huck.psu.edu education ecology degree requirements options quantitative ecology Quantitative Ecology at Penn State University Category Ecology ecology ... more details
over many parts of the financial industry, the total mutual fund asset that employ quantitative model is estimated to be over 400 billion US dollars 1 at the end of this June. What is the quantitative ... process as fundamental or Quantitative by the way asset managers making investment decisions. If the whole ... as Quantitative . There is also tradeoff between these two approaches, which they define it as a hybrid one if the money manager combines both ways. Quantitative mutual fund versus hedged quant fund Another concept that might make people confused is that quantitative funds can be operated as a Hedge ... screening and disciplined risk managements. On operating a quantitative fund For quantitative ..., see http registeredrep.com moneymanagers finance not man machine 3 Challenges in Quantitative Equity ... more details
Merge Quantitative analyst date May 2009 Refimprove date March 2009 Quantitative investing represents an investing technique typically employed by the most sophisticated, technically advanced hedge funds . These quant shops employ fast computers to find predictable patterns within financial data. Some of the larger quant shops include but are not limited to Renaissance Technologies Medallion Fund, D. E. Shaw, Barclay s Global Investments now known as Blackrock , Numerics, GMO, First Quadrant,Robeco, etc. Typically, quant investing is implemented by people who have spent time in the physics, math, computer science, or statistics disciplines. The condensed results of quantitative analyses, however, can be readily accessible to all far from quantitative investors, when presented in an intuitive framework. The process consists of thorough examination of vast databases searching for repeating patterns persistent occurrences of a phenomena, correlations among liquid assets statistical arbitrage or pairs trading , or price movement patterns trend following or mean reversion . finance stub Category Investment Category Mathematical finance ... more details
No footnotes date July 2010 Genetics2 Quantitative genetics is the study of continuous traits such as height or weight and their underlying mechanisms. It is effectively an extension of simple Mendelian inheritance in that the combined effect of the many underlying genes results in a Continuous probability distribution continuous distribution of phenotypic values. History The field was founded, in evolution ary terms, by the originators of the Modern evolutionary synthesis modern synthesis , Ronald ... given data on the phenotype and relationships of individuals. Analysis of quantitative Trait Locus Quantitative Trait Loci , or QTL, is a more recent addition to the study of quantitative genetics. A QTL is a region in the genome that affects the trait or traits of interest. Quantitative trait .... Traits Quantitative genetics is not limited to continuous traits, but to all traits that are determined by many genes. This includes Continuous traits are quantitative traits with a continuous ... can be treated as if they have an underlying quantitative basis, expressed as a threshold trait ... biology behind the genetics. The founder of Quantitative Genetics Sir Ronald Fisher perceived ... as quantitative genetics Selective breeding References Douglas Falconer Falconer, D. S. & Mackay TFC 1996 . Introduction to Quantitative Genetics. Fourth edition. Addison Wesley Longman, Harlow, Essex, UK. Roff DA 1997 . Evolutionary Quantitative Genetics. Chapman & Hall, New York. Lynch M & Walsh B 1998 . Genetics and Analysis of Quantitative Traits. Sinauer, Sunderland, MA. Gordon I.L. 2003 ... Quantitative Genetics Resources by Michael Lynch geneticist Michael Lynch and Bruce Walsh geneticist Bruce Walsh , including the two volumes of their textbook, Genetics and Analysis of Quantitative Traits and Evolution and Selection of Quantitative Traits . http www.evolution textbook.org content ... footer Category Genetics de Quantitative Genetik id Genetika kuantitatif he ... more details
Quantitative metathesis or transfer of quantity ref name general Herbert Weir Smyth Smyth , Greek Grammar , http www.ccel.org s smyth grammar html smyth 1b uni.htm 34 paragraph 34 on Christian Classics Ethereal Library CCEL transfer of quantity ref is a phonology phonological phonological change change a specific form of metathesis linguistics metathesis or transposition involving quantity or vowel length . By this process, two vowel s near each other one long, the other short switch their lengths, so that the long one becomes short, and the short one becomes long. In theory, the definition includes both long short short long and short long long short, but Ancient Greek , which the term was originally created to describe, displays only the former, since the process is part of long vowel shortening. Greek In the Attic Greek Attic and Ionic Greek Ionic dialects of Greek, o and a often exchange length, becoming e and e . ref name general This quantitative metathesis is more accurately described as one form of long vowel shortening. Usually if quantitative metathesis affects a word, other kinds of shortening do as well, in the forms where quantitative metathesis cannot occur wo e quantitative metathesis ws ews shortening of long diphthong before consonant i ei analogical shortening In general, the vowels affected by this shortening were separated by the Proto Indo European language Proto Indo European semivowel semivocalic versions of u or i , usually deletion phonology deleted ... form of the genitive singular in the masculine first declension sometimes undergoes quantitative ... declension lengthen the o, oi of the ending to , i . Sometimes this is quantitative metathesis ... in Homer to maintain the original meter poetry Greek and Latin meter . Some forms exemplify the quantitative ... the vowel of the ending is long, no quantitative metathesis occurs ref name shortening ... thn sk die undergoes vowel shortening, and quantitative metathesis in the oblique case ... more details
Image Quantitative parasitology 1.JPG thumb 275 px Intensity histograms are helpful to get a first impression about the differences of infection between 2 or more samples. Horizontal axis infection classes, vertical axis the number of host individuals belonging to each class. Counting parasites Quantifying parasites in a sample of hosts or comparing measures of infection across two or more samples can be challenging. The parasitic infection of a sample of hosts inherently exhibits a complex pattern that cannot be adequately quantified by a single statistical measure. As the use of two or more separate indices is advisable, only two or more separate statistical tests can reliably compare infections different samples of hosts. A few of the available statistical measures have markedly different biological interpretations, while others have more or less overlapping interpretations or no interpretations at all. Therefore, one should apply measures that have clear and separate biological interpretations thus do not predict each other. Parasite individuals typically exhibit an skewness aggregated right skewed distribution among host individuals most hosts harbour few if any parasites and a few hosts harbour many of them. This quantitative feature of parasitism renders many of traditional statistical methods obsolete and requires the use of advanced computer intensive statistical methods. How to describe the parasitic infection of a sample of hosts Image Quantitative parasitology 2.JPG thumb 275 px Statistical procedures to characterize the infection infestation of a sample of hosts ... burdens across two or more samples Image Quantitative parasitology 2.JPG thumb 275 px Statistical ... to quantitative parasitology. Journal of the Washington Academy of Sciences, 13, 152 158. a population ... 1971. A quantitative approach to parasitism. Parasitology, 62, 179 193. http www.zoologia.hu list quant ... http www.zoologia.hu qp qp.html Quantitative Parasitology 3.0, a free statistical toolset for parasitologists ... more details
Notability date September 2010 The BioMaPS Institute for Quantitative Biology at Rutgers University is an interdisciplinary Institute whose principal aims are a to establish a nationally and internationally recognized research program in quantitative biology and b to respond to the need of educating a new generation of life science researchers with strong quantitative backgrounds in molecular biophysics , structural biology , computational biology and bioinformatics . The Institute offers graduate education leading to the Doctor of Philosophy Ph.D. in Computational Biology and Molecular Biophysics . This is an interdisciplinary graduate program at Rutgers University at the interface between the Biological, Mathematical, and Physical Sciences BioMaPS . The program is designed for students with strong backgrounds in Physical science physical , Mathematics mathematical , and computational science s whose goal is to be at the forefront of life science research through the use of sophisticated quantitative skills. In addition, the BioMaPS program provides courses and research opportunities for students in the biological sciences who wish to specialize in quantitative biology . External links http www.rutgers.edu Rutgers University Specific Links to the BioMaPS Institute http biomaps.rutgers.edu BioMaPS Institute http biomaps.rutgers.edu gp generali.html Graduate Program http www.biomaps.rutgers.edu index.php?option com content&task view&id 209&Itemid 89 Faculty http www.biomaps.rutgers.edu index.php?option com content&task blogcategory&id 27&Itemid 67 Publications Rutgers DEFAULTSORT Biomaps Institute For Quantitative Biology Category Rutgers University ... more details
Quantitative analysis of behavior is the quantitative form of the experimental analysis of behavior . This has become the dominant scientific approach to behavior analysis . It represents behavioral research using quantitative models of behavior. The parameters in the models hopefully have theoretical meaning beyond being used to fit models to data. The field was founded by Richard Herrnstein 1961 when he proposed single alternative equation from his description of choice in concurrent schedules of reinforcement Herrnstein 1970 introduced the Matching Law . The field is extremely wikt integrative integrative having integrated models from economics , zoology , philosophy , and other branches of psychology, especially Mathematical psychology of which it is a branch. The emphasis is on animal behavior and the continuity or discontinuity of humans and other animals. The field is represented by the Society for Quantitative Analysis of Behavior . Two major aspects of the field are Stimulus control and Reinforcement Control . Quantitative Analysis of Behavior addresses the following topics among others Behavioral economics , Behavioral momentum , Connectionist systems or Neural networks , system integration Integration , Hyperbolic discounting including the Delay reduction hypothesis , Foraging , Hunting , Errorless learning , Creativity , Learning , and the Rescorla Wagner model , Matching law , Melioration , Scalar expectancy , Detection theory Signal Detection , Neural hysteresis , and Reinforcement Control . Concepts and Models Matching law Rate of response Rate of reinforcement Mathematical principles of reinforcement Behavioral momentum References Herrnstein, R. J. 1961 . Relative and absolute strength of response as a function of frequency of reinforcement. Journal of the Experimental ... of the Experimental Analysis of Behavior, 13 243 266. Influential people in quantitative analysis ... Richard Killeen R. Duncan Luce John Anthony Nevin Howard Rachlin J. E. R. Staddon DEFAULTSORT Quantitative ... more details
Quantitative precipitation estimation or QPE is a method of approximating the amount of Precipitation meteorology precipitation that has fallen at a location or across a region. Maps of the estimated amount of precipitation to have fallen over a certain area and time span are compiled using several different data sources including manual and automatic field observations and radar and satellite data. This process is undertaken every day across the United States at Weather Forecast Offices WFOs run by the National Weather Service NWS . A number of different algorithms can be used to estimate precipitation amounts from data collected by radar. ref cite web url http www.cimms.ou.edu kscharf pol qpe.html title Quantitative Precipitation Estimation QPE Algorithms publisher CIMMS, University of Oklahoma accessdate 2010 04 14 ref There is continuing research being done in the fields of QPE and Quantitative Precipitation Forecast quantitative precipitation forecasting QPF . The World Meteorological Organization WMO will be holding its Third International Conference on QPE, QPF and hydrology in October, 2010 in China ref cite web url http www.wmo.int pages prog arep wwrp tmr QPE QPF III.html title Third International Conference on QPE QPF and Hydrology publisher WMO accessdate 2010 04 18 ref . References reflist Category Meteorology Category Hydrology Meteorology stub ... more details
The Journal of Financial and Quantitative Analysis is an academic journal published by the School of Business Administration at the University of Washington in cooperation with the University of Utah David Eccles School of Business and New York University s Leonard N. Stern School of Business . It publishes theoretical and empirical research in financial economics . Topics include corporate finance , investments , capital markets , securities markets and quantitative methods of particular relevance to financial researchers. Together with the Journal of Finance , the Journal of Financial Economics and the Review of Financial Studies , the JFQA is considered to be one of the top tier academic journals covering the discipline of finance . The acceptance rate for articles submitted to the JFQA is only 8.0 . References citation last1 Alexander first1 John C., Jr. last2 Mabry first2 Rodney H. title Relative significance of journals, authors, and articles cited in financial research journal The Journal of Finance volume 49 issue 2 year 1994 pages 697 712 doi 10.2307 2329169 url http jstor.org stable 2329169 publisher The Journal of Finance, Vol. 49, No. 2 . citation title Journal communication and influence in financial research first1 Kenneth A. last1 Borokhovich first2 Robert J. last2 Bricker first3 Betty J. last3 Simkins journal The Journal of Finance volume 49 issue 2 year 1994 pages 713 725 doi 10.2307 2329170 url http jstor.org stable 2329170 publisher The Journal of Finance, Vol. 49, No. 2 . citation first Lawrence D. last Brown title Ranking journals Using social science research network downloads journal Review of Quantitative Finance and Accounting volume 20 issue 3 year 2003 pages 291 307 doi 10.1023 A 1023628613622 . citation title Citation patterns in the finance literature first1 Kee H. last1 Chung first2 Raymond A. K. last2 Cox first3 John B. last3 Mitchell journal ... home page DEFAULTSORT Financial and Quantitative Analysis, Journal of Category Economics journals ... more details
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