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90 relations: Affymetrix, American Psychological Association, Anton Formann, Astronomy, Astrophysics, Biochemistry, BMDP, Cartesian coordinate system, Chapman & Hall, Charles Spearman, Coefficient, Confidence interval, Confirmatory factor analysis, Constant (mathematics), Continuum International Publishing Group, Correlation and dependence, Correlation coefficient, Cosmology, Customer, Data set, Design of experiments, DNA microarray, Ecology, Eigenvalues and eigenvectors, Errors and residuals, Evidence, Exploratory factor analysis, Finance, Fluid and crystallized intelligence, Formal concept analysis, G factor (psychometrics), Generalized minimal residual method, Geochemistry, Higher-order factor analysis, Independent component analysis, Intelligence, Interpretability, JMP (statistical software), John L. Horn, Kronecker delta, Latent variable, Least squares, Libertarianism, Linear combination, List of statistical packages, Marketing, Matrix (mathematics), Molecular biology, Non-negative matrix factorization, Observational error, ..., Occam's razor, Oligonucleotide, Operations research, Orthogonal matrix, Orthogonality, Pearson correlation coefficient, Perceptual mapping, Personality, Positioning (marketing), Principal component analysis, Product (business), Product management, Psychometrics, Python (programming language), Q methodology, Quantitative marketing research, R (programming language), Raymond Cattell, Recommender system, Regression analysis, RNA, Root cause analysis, Sample size determination, SAS (software), Scikit-learn, Skew coordinates, SPSS, Stata, Statistica, Statistical population, Statistics, Structural equation modeling, Survey methodology, Three-stratum theory, Uncorrelated random variables, Variable (mathematics), Variance, Varimax rotation, Water quality, 16PF Questionnaire. Expand index (40 more) »
Affymetrix
Affymetrix, Inc. was an American company that manufactured DNA microarrays; it was based in Santa Clara, California, United States.
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American Psychological Association
The American Psychological Association (APA) is the largest scientific and professional organization of psychologists in the United States, with around 117,500 members including scientists, educators, clinicians, consultants, and students.
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Anton Formann
Anton K. Formann (August 27, 1949, Vienna, Austria – July 12, 2010, Vienna) was an Austrian research psychologist, statistician, and psychometrician.
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Astronomy
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
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Astrophysics
Astrophysics is the branch of astronomy that employs the principles of physics and chemistry "to ascertain the nature of the astronomical objects, rather than their positions or motions in space".
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Biochemistry
Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms.
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BMDP
BMDP was a statistical package developed in 1965 by Wilfrid Dixon at the University of California, Los Angeles.
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Cartesian coordinate system
A Cartesian coordinate system is a coordinate system that specifies each point uniquely in a plane by a pair of numerical coordinates, which are the signed distances to the point from two fixed perpendicular directed lines, measured in the same unit of length.
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Chapman & Hall
Chapman & Hall was a British publishing house in London, founded in the first half of the 19th century by Edward Chapman and William Hall.
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Charles Spearman
Charles Edward Spearman, FRS (10 September 1863 – 17 September 1945) was an English psychologist known for work in statistics, as a pioneer of factor analysis, and for Spearman's rank correlation coefficient.
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Coefficient
In mathematics, a coefficient is a multiplicative factor in some term of a polynomial, a series or any expression; it is usually a number, but may be any expression.
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Confidence interval
In statistics, a confidence interval (CI) is a type of interval estimate, computed from the statistics of the observed data, that might contain the true value of an unknown population parameter.
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Confirmatory factor analysis
In statistics, confirmatory factor analysis (CFA) is a special form of factor analysis, most commonly used in social research.
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Constant (mathematics)
In mathematics, the adjective constant means non-varying.
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Continuum International Publishing Group
Continuum International Publishing Group was an academic publisher of books with editorial offices in London and New York City.
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Correlation and dependence
In statistics, dependence or association is any statistical relationship, whether causal or not, between two random variables or bivariate data.
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Correlation coefficient
A correlation coefficient is a numerical measure of some type of correlation, meaning a statistical relationship between two variables.
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Cosmology
Cosmology (from the Greek κόσμος, kosmos "world" and -λογία, -logia "study of") is the study of the origin, evolution, and eventual fate of the universe.
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Customer
In sales, commerce and economics, a customer (sometimes known as a client, buyer, or purchaser) is the recipient of a good, service, product or an idea - obtained from a seller, vendor, or supplier via a financial transaction or exchange for money or some other valuable consideration.
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Data set
A data set (or dataset) is a collection of data.
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Design of experiments
The design of experiments (DOE, DOX, or experimental design) is the design of any task that aims to describe or explain the variation of information under conditions that are hypothesized to reflect the variation.
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DNA microarray
A DNA microarray (also commonly known as DNA chip or biochip) is a collection of microscopic DNA spots attached to a solid surface.
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Ecology
Ecology (from οἶκος, "house", or "environment"; -λογία, "study of") is the branch of biology which studies the interactions among organisms and their environment.
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Eigenvalues and eigenvectors
In linear algebra, an eigenvector or characteristic vector of a linear transformation is a non-zero vector that changes by only a scalar factor when that linear transformation is applied to it.
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Errors and residuals
In statistics and optimization, errors and residuals are two closely related and easily confused measures of the deviation of an observed value of an element of a statistical sample from its "theoretical value".
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Evidence
Evidence, broadly construed, is anything presented in support of an assertion.
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Exploratory factor analysis
In multivariate statistics, exploratory factor analysis (EFA) is a statistical method used to uncover the underlying structure of a relatively large set of variables.
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Finance
Finance is a field that is concerned with the allocation (investment) of assets and liabilities (known as elements of the balance statement) over space and time, often under conditions of risk or uncertainty.
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Fluid and crystallized intelligence
In psychology, fluid and crystallized intelligence (respectively abbreviated Gf and Gc) are factors of general intelligence, originally identified by Raymond Cattell.
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Formal concept analysis
Formal concept analysis (FCA) is a principled way of deriving a concept hierarchy or formal ontology from a collection of objects and their properties.
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G factor (psychometrics)
The g factor (also known as general intelligence, general mental ability or general intelligence factor) is a construct developed in psychometric investigations of cognitive abilities and human intelligence.
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Generalized minimal residual method
In mathematics, the generalized minimal residual method (GMRES) is an iterative method for the numerical solution of a nonsymmetric system of linear equations.
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Geochemistry
Geochemistry is the science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems such as the Earth's crust and its oceans.
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Higher-order factor analysis
Higher-order factor analysis is a statistical method consisting of repeating steps factor analysis – oblique rotation – factor analysis of rotated factors.
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Independent component analysis
In signal processing, independent component analysis (ICA) is a computational method for separating a multivariate signal into additive subcomponents.
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Intelligence
Intelligence has been defined in many different ways to include the capacity for logic, understanding, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, and problem solving.
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Interpretability
In mathematical logic, interpretability is a relation between formal theories that expresses the possibility of interpreting or translating one into the other.
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JMP (statistical software)
JMP (pronounced "jump") is a suite of computer programs for statistical analysis developed by the JMP business unit of SAS Institute.
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John L. Horn
John Leonard Horn (September 7, 1928 – August 18, 2006) was a scholar, cognitive psychologist and a pioneer in developing theories of multiple intelligence.
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Kronecker delta
In mathematics, the Kronecker delta (named after Leopold Kronecker) is a function of two variables, usually just non-negative integers.
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Latent variable
In statistics, latent variables (from Latin: present participle of lateo (“lie hidden”), as opposed to observable variables), are variables that are not directly observed but are rather inferred (through a mathematical model) from other variables that are observed (directly measured).
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Least squares
The method of least squares is a standard approach in regression analysis to approximate the solution of overdetermined systems, i.e., sets of equations in which there are more equations than unknowns.
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Libertarianism
Libertarianism (from libertas, meaning "freedom") is a collection of political philosophies and movements that uphold liberty as a core principle.
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Linear combination
In mathematics, a linear combination is an expression constructed from a set of terms by multiplying each term by a constant and adding the results (e.g. a linear combination of x and y would be any expression of the form ax + by, where a and b are constants).
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List of statistical packages
Statistical software are specialized computer programs for analysis in statistics and econometrics.
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Marketing
Marketing is the study and management of exchange relationships.
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Matrix (mathematics)
In mathematics, a matrix (plural: matrices) is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
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Molecular biology
Molecular biology is a branch of biology which concerns the molecular basis of biological activity between biomolecules in the various systems of a cell, including the interactions between DNA, RNA, proteins and their biosynthesis, as well as the regulation of these interactions.
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Non-negative matrix factorization
Non-negative matrix factorization (NMF or NNMF), also non-negative matrix approximation is a group of algorithms in multivariate analysis and linear algebra where a matrix is factorized into (usually) two matrices and, with the property that all three matrices have no negative elements.
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Observational error
Observational error (or measurement error) is the difference between a measured value of a quantity and its true value.
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Occam's razor
Occam's razor (also Ockham's razor or Ocham's razor; Latin: lex parsimoniae "law of parsimony") is the problem-solving principle that, the simplest explanation tends to be the right one.
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Oligonucleotide
Oligonucleotides are short DNA or RNA molecules, oligomers, that have a wide range of applications in genetic testing, research, and forensics.
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Operations research
Operations research, or operational research in British usage, is a discipline that deals with the application of advanced analytical methods to help make better decisions.
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Orthogonal matrix
In linear algebra, an orthogonal matrix is a square matrix whose columns and rows are orthogonal unit vectors (i.e., orthonormal vectors), i.e. where I is the identity matrix.
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Orthogonality
In mathematics, orthogonality is the generalization of the notion of perpendicularity to the linear algebra of bilinear forms.
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Pearson correlation coefficient
In statistics, the Pearson correlation coefficient (PCC, pronounced), also referred to as Pearson's r, the Pearson product-moment correlation coefficient (PPMCC) or the bivariate correlation, is a measure of the linear correlation between two variables X and Y. It has a value between +1 and −1, where 1 is total positive linear correlation, 0 is no linear correlation, and −1 is total negative linear correlation.
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Perceptual mapping
Perceptual mapping is a diagrammatic technique used by asset marketers that attempts to visually display the perceptions of customers or potential customers.
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Personality
Personality is defined as the set of habitual behaviors, cognitions and emotional patterns that evolve from biological and environmental factors.
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Positioning (marketing)
Positioning refers to the place that a brand occupies in the mind of the customer and how it is distinguished from products from competitors.
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Principal component analysis
Principal component analysis (PCA) is a statistical procedure that uses an orthogonal transformation to convert a set of observations of possibly correlated variables into a set of values of linearly uncorrelated variables called principal components.
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Product (business)
In marketing, a product is anything that can be offered to a market that might satisfy a want or need.
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Product management
Product management is an organizational lifecycle function within a company dealing with the planning, forecasting, and production, or marketing of a product or products at all stages of the product lifecycle.
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Psychometrics
Psychometrics is a field of study concerned with the theory and technique of psychological measurement.
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Python (programming language)
Python is an interpreted high-level programming language for general-purpose programming.
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Q methodology
Q Methodology is a research method used in psychology and in social sciences to study people's "subjectivity"—that is, their viewpoint.
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Quantitative marketing research
Quantitative marketing research is the application of quantitative research techniques to the field of marketing.
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R (programming language)
R is a programming language and free software environment for statistical computing and graphics that is supported by the R Foundation for Statistical Computing.
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Raymond Cattell
Raymond Bernard Cattell (20 March 1905 – 2 February 1998) was a British and American psychologist, known for his psychometric research into intrapersonal psychological structure.
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Recommender system
A recommender system or a recommendation system (sometimes replacing "system" with a synonym such as platform or engine) is a subclass of information filtering system that seeks to predict the "rating" or "preference" a user would give to an item.
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Regression analysis
In statistical modeling, regression analysis is a set of statistical processes for estimating the relationships among variables.
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RNA
Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation, and expression of genes.
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Root cause analysis
Root cause analysis (RCA) is a method of problem solving used for identifying the root causes of faults or problems.
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Sample size determination
Sample size determination is the act of choosing the number of observations or replicates to include in a statistical sample.
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SAS (software)
SAS (previously "Statistical Analysis System") is a software suite developed by SAS Institute for advanced analytics, multivariate analyses, business intelligence, data management, and predictive analytics.
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Scikit-learn
Scikit-learn (formerly scikits.learn) is a free software machine learning library for the Python programming language.
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Skew coordinates
A system of skew coordinates is a curvilinear coordinate system where the coordinate surfaces are not orthogonal, in contrast to orthogonal coordinates.
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SPSS
SPSS Statistics is a software package used for interactive, or batched, statistical analysis.
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Stata
Stata is a general-purpose statistical software package created in 1985 by StataCorp.
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Statistica
Statistica is an advanced analytics software package originally developed by StatSoft which was acquired by Dell in March 2014.
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Statistical population
In statistics, a population is a set of similar items or events which is of interest for some question or experiment.
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Statistics
Statistics is a branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data.
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Structural equation modeling
Structural equation modeling (SEM) includes a diverse set of mathematical models, computer algorithms, and statistical methods that fit networks of constructs to data.
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Survey methodology
A field of applied statistics of human research surveys, survey methodology studies the sampling of individual units from a population and associated techniques of survey data collection, such as questionnaire construction and methods for improving the number and accuracy of responses to surveys.
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Three-stratum theory
The three-stratum theory is a theory of cognitive ability proposed by the American psychologist John Carroll in 1993.
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Uncorrelated random variables
In probability theory and statistics, two real-valued random variables, X,Y, are said to be uncorrelated if their covariance, E(XY) − E(X)E(Y), is zero.
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Variable (mathematics)
In elementary mathematics, a variable is a symbol, commonly an alphabetic character, that represents a number, called the value of the variable, which is either arbitrary, not fully specified, or unknown.
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Variance
In probability theory and statistics, variance is the expectation of the squared deviation of a random variable from its mean.
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Varimax rotation
In statistics, a varimax rotation is used to simplify the expression of a particular sub-space in terms of just a few major items each.
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Water quality
Water quality refers to the chemical, physical, biological, and radiological characteristics of water.
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16PF Questionnaire
The Sixteen Personality Factor Questionnaire (16PF) is a self-report personality test developed over several decades of empirical research by Raymond B. Cattell, Maurice Tatsuoka and Herbert Eber.
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Factor Analysis, Factor analysis (in marketing), Factor loading, Factor loadings, Factor weight, Factorial analysis, Multi-factorial, Principal factor analysis, Scree plot, Scree's test.
References
[1] https://en.wikipedia.org/wiki/Factor_analysis
