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Statistical relationship
In statistics, correlation is a type of statistical relationship between two random variables or bivariate data. It usually refers to the extent to which
Correlation
Measure of linear correlation
In statistics, the Pearson correlation coefficient (PCC), also known as Pearson's r, the Pearson product-moment correlation coefficient (PPMCC), or simply
Pearson correlation coefficient
Pearson_correlation_coefficient
Nonparametric measure of rank correlation
In statistics, Spearman's rank correlation coefficient or Spearman's ρ is a number ranging from -1 to 1 that indicates how strongly two sets of ranks
Spearman's rank correlation coefficient
Spearman's_rank_correlation_coefficient
Topics referred to by the same term
Correlation is a measure of relationship between two mathematical variables or measured data values, which includes the Pearson correlation coefficient
Correlation_(disambiguation)
Statistical technique
In statistics, polychoric correlation is a technique for estimating the correlation between two hypothesised normally distributed continuous latent variables
Polychoric_correlation
Technique to find image offset
Phase correlation is an approach to estimate the relative translative offset between two similar images (digital image correlation) or other data sets
Phase_correlation
Covariance and correlation
In signal processing, cross-correlation is a measure of similarity of two series as a function of the displacement of one relative to the other. This
Cross-correlation
produce three-dimensional data, the Fourier shell correlation (FSC) measures the normalised cross-correlation coefficient between two 3-dimensional volumes
Fourier_shell_correlation
Correlation of a signal with a time-shifted copy of itself, as a function of shift
Autocorrelation, sometimes known as serial correlation in the discrete time case, measures the correlation of a signal with a delayed copy of itself.
Autocorrelation
Numerical measure of a statistical relationship between variables
A correlation coefficient is a numerical measure of some type of linear correlation, meaning a linear function between two variables. The variables may
Correlation_coefficient
Refutation of a logical fallacy
The phrase "correlation does not imply causation" refers to the inability to legitimately deduce a cause-and-effect relationship between two events or
Correlation does not imply causation
Correlation_does_not_imply_causation
Type of financial derivative
A correlation swap is an over-the-counter financial derivative that allows one to speculate on or hedge risks associated with the observed average correlation
Correlation_swap
Descriptive statistic
In statistics, the intraclass correlation, or the intraclass correlation coefficient (ICC), is a descriptive statistic that can be used when quantitative
Intraclass_correlation
Measure of rotation of a molecule
Rotational correlation time ( τ c {\displaystyle \tau _{c}} ) is the average time it takes for a molecule to rotate one radian. In solution, rotational
Rotational_correlation_time
In statistics, the interclass correlation (or interclass correlation coefficient) measures the relationship between two variables of different classes
Interclass_correlation
Dependence of environmental conditions on individual genotype
Gene–environment correlation (or genotype–environment correlation) is said to occur when exposure to environmental conditions depends on an individual's
Gene–environment_correlation
Fringe hypothesis in alternative Egyptology
The Orion correlation theory is a fringe theory in Egyptology attempting to explain the arrangement of the Giza pyramid complex. It posits that there
Orion_correlation_theory
Data visualization technique
iconography of correlations, or representation of correlations, is a data visualization technique which replaces a numeric correlation matrix by its graphical
Iconography_of_correlations
Proportion of variance that two traits share due to genetic causes
In multivariate quantitative genetics, a genetic correlation (denoted r g {\displaystyle r_{g}} or r a {\displaystyle r_{a}} ) is the proportion of variance
Genetic_correlation
Saints (LDS Church), the Priesthood Correlation Program (also called the Correlation Program or simply Correlation) began in 1908 as a program to reform
Priesthood Correlation Program
Priesthood_Correlation_Program
Statistical measure
In statistics and in probability theory, distance correlation is a measure of dependence between two paired random vectors of arbitrary, not necessarily
Distance_correlation
The item–total correlation is the correlation between a scored item and the total test score. It is an item statistic used in psychometric analysis to
Item-total_correlation
A stock correlation network is a type of financial network based on stock price correlation used for observing, analyzing and predicting the stock market
Stock_correlation_network
Higher values of one variable leading to lower values of the other
corresponding graph is negative. A negative correlation between variables is also called inverse correlation. Negative correlation can be seen geometrically when two
Negative_relationship
Topics referred to by the same term
Terms such as correlation diagram(s), diagram(s) of correlation, and the like may refer to: Data visualization, the general process of presenting information
Correlation_diagram
Statistic for rank correlation
In statistics, the Kendall rank correlation coefficient, commonly referred to as Kendall's τ coefficient (after the Greek letter τ, tau), is a statistic
Kendall rank correlation coefficient
Kendall_rank_correlation_coefficient
Statistical measure of association for two binary variables
known as the mean square contingency coefficient or Yule coefficient of correlation and commonly denoted by φ or rφ, is a measure of association between
Phi_coefficient
Correlation as a function of distance
A correlation function is a function that gives the statistical correlation between random variables, contingent on the spatial or temporal distance between
Correlation_function
Indicator for how well data points fit a line or curve
(which includes an intercept), r2 is simply the square of the sample correlation coefficient (r), between the observed outcomes and the observed predictor
Coefficient_of_determination
Concept in probability theory and statistics
In probability theory and statistics, partial correlation measures the degree of association between two random variables, with the effect of a set of
Partial_correlation
Ratio in Mathematical Optimization
In stochastic programming, the correlation gap is the worst-case ratio between the cost when the random variables are correlated to the cost when the
Correlation_gap
The spectral correlation density (SCD), sometimes also called the cyclic spectral density or spectral correlation function, is a function that describes
Spectral_correlation_density
Inaccurately perceiving a relationship between two unrelated events
In psychology, illusory correlation is the phenomenon of perceiving a relationship between variables (typically people, events, or behaviors) even when
Illusory_correlation
Dimensionality measure in chaos theory
In chaos theory, the correlation dimension (denoted by ν) is a measure of the dimensionality of the space occupied by a set of random points, often referred
Correlation_dimension
Mathematical theorem
The Gaussian correlation inequality (GCI), formerly known as the Gaussian correlation conjecture (GCC), is a mathematical theorem in the fields of mathematical
Gaussian correlation inequality
Gaussian_correlation_inequality
Statistical measure of a dendrogram's faithfulness to the data
statistics, and especially in biostatistics, cophenetic correlation (more precisely, the cophenetic correlation coefficient) is a measure of how faithfully a dendrogram
Cophenetic_correlation
Aspect of quantum measurement
In quantum mechanics, quantum correlation is the expected value of the product of the alternative outcomes. In other words, it is the expected change
Quantum_correlation
Concepts in probability and statistics
probability theory and statistics, the mathematical concepts of covariance and correlation are very similar. Both describe the degree to which two random variables
Covariance_and_correlation
In chaos theory, the correlation integral is the mean probability that the states at two different times are close: C ( ε ) = lim N → ∞ 1 N 2 ∑ i ≠ j
Correlation_integral
Way of inferring information from cross-covariance matrices
are correlations among the variables, then canonical-correlation analysis will find linear combinations of X and Y that have a maximum correlation with
Canonical_correlation
Measure of a system's order
mechanics, the correlation function is a measure of the order in a system, as characterized by a mathematical correlation function. Correlation functions describe
Correlation function (statistical mechanics)
Correlation_function_(statistical_mechanics)
Correlation coefficient used when one variable is dichotomous
The point biserial correlation coefficient (rpb) is a correlation coefficient used when one variable (e.g. Y) is dichotomous; Y can either be "naturally"
Point-biserial correlation coefficient
Point-biserial_correlation_coefficient
Statistic comparing ordinal rankings
In statistics, a rank correlation is any of several statistics that measure an ordinal association — the relationship between rankings of different ordinal
Rank_correlation
Mathematical conjecture
mathematics, Montgomery's pair correlation conjecture is a conjecture made by Hugh Montgomery (1973) that the pair correlation between pairs of zeros of the
Montgomery's pair correlation conjecture
Montgomery's_pair_correlation_conjecture
In statistics, a measurement of the agreement between two variables
In statistics, the concordance correlation coefficient measures the agreement between two variables, e.g., to evaluate reproducibility or for inter-rater
Concordance correlation coefficient
Concordance_correlation_coefficient
Interaction between electrons, often complicating physical calculations
Electronic correlation is the interaction between electrons in the electronic structure of a quantum system. The correlation energy is a measure of how
Electronic_correlation
Statistical concept
multiple correlation is a measure of how well a given variable can be predicted using a linear function of a set of other variables. It is the correlation between
Coefficient of multiple correlation
Coefficient_of_multiple_correlation
Method of partitioning data points into groups based on their similarity
partitioning data points into groups based on similarity or dissimilarity. Correlation clustering is a clustering framework in which a set of objects is partitioned
Correlation_clustering
Measure of the projected clustering of galaxies
The angular correlation function is a function which measures the projected clustering of galaxies, due to discrepancies between their actual and expected
Angular_correlation_function
The triple correlation of an ordinary function on the real line is the integral of the product of that function with two independently shifted copies
Triple_correlation
finance, correlation trading is a strategy in which the investor gets exposure to the average correlation of an index. The key to correlation trading is
Correlation_trading
Fluorescence cross-correlation spectroscopy (FCCS) is a spectroscopic technique that examines the interactions of fluorescent particles of different colours
Fluorescence cross-correlation spectroscopy
Fluorescence_cross-correlation_spectroscopy
Event correlation is a technique for making sense of a large number of events and pinpointing the few events that are really important in that mass of
Event_correlation
of correlation measures the timespan over which there is appreciable autocorrelation or cross-correlation in stochastic processes. The correlation coefficient
Life-time_of_correlation
In probability theory and in particular in information theory, total correlation (Watanabe 1960) is one of several generalizations of the mutual information
Total_correlation
In statistics, the correlation ratio is a measure of the curvilinear association between the statistical dispersion within individual categories and the
Correlation_ratio
In statistics, scaled correlation is a form of a coefficient of correlation applicable to data that have a temporal component such as time series. It
Scaled_correlation
Topics referred to by the same term
Correlation function may refer to: Correlation function, correlation between random variables at two different points in space or time Correlation function
Correlation function (disambiguation)
Correlation_function_(disambiguation)
Measure of relationship two or more financial variables over time
Financial correlations measure the relationship between the changes of two or more financial variables over time. For example, the prices of equity stocks
Financial_correlation
Concept in statistics
In statistics, spurious correlation of ratios is a form of spurious correlation that arises between ratios of absolute measurements which themselves are
Spurious correlation of ratios
Spurious_correlation_of_ratios
Mathematical image techniques
Digital image correlation and tracking is an optical method that employs tracking and image registration techniques for accurate 2D and 3D measurements
Digital image correlation and tracking
Digital_image_correlation_and_tracking
In statistical mechanics, an Ursell function or connected correlation function, is a cumulant of a random variable. It can often be obtained by summing
Ursell_function
Browser game research project
Guess the Correlation is a minimalistic browser-based game with a purpose developed in 2016 by Omar Wagih at the European Bioinformatics Institute. The
Guess_the_Correlation
In wireless communication, spatial correlation is the correlation between a signal's spatial direction and the average received signal gain. Theoretically
Spatial correlation (wireless)
Spatial_correlation_(wireless)
Analytical technique
X-ray photon correlation spectroscopy (XPCS) in physics and chemistry, is a novel technique that exploits a coherent X-ray synchrotron beam to measure
X-ray photon correlation spectroscopy
X-ray_photon_correlation_spectroscopy
The cross-correlation matrix of two random vectors is a matrix containing as elements the cross-correlations of all pairs of elements of the random vectors
Cross-correlation_matrix
Table listing infrared absorption peaks for various bonds
An infrared spectroscopy correlation table (or table of infrared absorption frequencies) is a list of absorption peaks and frequencies, typically reported
Infrared spectroscopy correlation table
Infrared_spectroscopy_correlation_table
Mathematical technique in spectroscopic analysis
Two dimensional correlation analysis is a mathematical technique that is used to study changes in measured signals. As mostly spectroscopic signals are
Two-dimensional correlation analysis
Two-dimensional_correlation_analysis
Cryptographic attack
Correlation attacks are a class of cryptographic known-plaintext attacks for breaking stream ciphers whose keystreams are generated by combining the output
Correlation_attack
In mathematics, the correlation immunity of a Boolean function is a measure of the degree to which its outputs are uncorrelated with some subset of its
Correlation_immunity
Theory in Earth sciences
Geological perspective correlation is a theory in geology describing geometrical regularities in the layering of sediments. Seventy percent of the Earth's
Perspective geological correlation
Perspective_geological_correlation
Concept in projective geometry
In projective geometry, a correlation is a transformation of a d-dimensional projective space that maps subspaces of dimension k to subspaces of dimension
Correlation (projective geometry)
Correlation_(projective_geometry)
The perturbed γ-γ angular correlation, PAC for short or PAC-Spectroscopy, is a method of nuclear solid-state physics with which magnetic and electric
Perturbed_angular_correlation
Apparent, but false, correlation between causally-independent variables
In statistics, a spurious relationship or spurious correlation is a mathematical relationship in which two or more events or variables are associated
Spurious_relationship
Type of statistical analysis
Fluorescence correlation spectroscopy (FCS) is a statistical analysis, via time correlation, of stationary fluctuations of the fluorescence intensity.
Fluorescence correlation spectroscopy
Fluorescence_correlation_spectroscopy
The study of height and intelligence examines correlations between human height and human intelligence. Some epidemiological research on the subject has
Height_and_intelligence
Comparison of two distributions
"probability plot correlation coefficient" (PPCC plot) is the correlation coefficient between the paired sample quantiles. The closer the correlation coefficient
Q–Q_plot
Astronomy device
Interferometer. In quantum optics, some devices which take advantage of correlation and anti-correlation effects in beams of photons might be said to be intensity interferometers
Intensity_interferometer
Human Cognitive Reliability Correlation (HCR) is a technique used in the field of Human Reliability Assessment (HRA), for the purposes of evaluating the
Human cognitive reliability correlation
Human_cognitive_reliability_correlation
Academic controversy
personality traits and political attitudes" claimed to find a strong positive correlation between conservatism and psychoticism. This error was repeated in subsequent
2010 conservatism-psychoticism correlation error
2010_conservatism-psychoticism_correlation_error
Medical imaging and optical technique
Diffuse correlation spectroscopy (DCS) is a type of medical imaging and optical technique that utilizes near-infrared light to directly and non-invasively
Diffuse correlation spectrometry
Diffuse_correlation_spectrometry
Fallacy of assumption of causation based on sequence of events
Post hoc ergo propter hoc is a particularly tempting error because correlation sometimes appears to suggest causality. The fallacy lies in a conclusion
Post_hoc_ergo_propter_hoc
Set of methods providing two-dimensional data
encompasses a variety of experiments, including COSY (Correlation Spectroscopy), TOCSY (Total Correlation Spectroscopy), NOESY (Nuclear Overhauser Effect Spectroscopy)
Two-dimensional nuclear magnetic resonance spectroscopy
Two-dimensional_nuclear_magnetic_resonance_spectroscopy
Calendar used by Mesoamerican cultures
over the precise correlation between the Western calendars and the Long Count calendars. The August 11 date is based on the GMT correlation. The completion
Mesoamerican Long Count calendar
Mesoamerican_Long_Count_calendar
Correlation between two variables that are group means
ecological correlation (also spatial correlation) is a correlation between two variables that are group means, in contrast to a correlation between two
Ecological_correlation
Method used in psychological and neurophysiological research
The reverse correlation technique is a data driven study method used primarily in psychological and neurophysiological research. This method earned its
Reverse_correlation_technique
Function in discrete mathematics
DTFT of a finite length sequence. (§ Sampling the DTFT) It is the cross correlation of the input sequence, x n {\displaystyle x_{n}} , and a complex sinusoid
Discrete_Fourier_transform
Web technology
Website correlation, or website matching, is a process used to identify websites that are similar or related. Websites are inherently easy to duplicate
Website_correlation
Type of log analysis
Alert correlation is a type of log analysis. It focuses on the process of clustering alerts (events), generated by NIDS and HIDS computer systems, to
Alert_correlation
Concept in quantum optics
In quantum optics, correlation functions are used to characterize the statistical and coherence properties – the ability of waves to interfere – of electromagnetic
Higher_order_coherence
Identity correlation is, in information systems, a process that reconciles and validates the proper ownership of disparate user account login IDs (user
Identity_correlation
Equation in convective heat transfer
introduced it in 1977. This equation is also called the Churchill–Bernstein correlation. N u ¯ D = 0.3 + 0.62 R e D 1 / 2 Pr 1 / 3 [ 1 + ( 0.4 / Pr ) 2 / 3
Churchill–Bernstein_equation
Measure of dependence
In information theory, dual total correlation, information rate, excess entropy, or binding information is one of several known non-negative generalizations
Dual_total_correlation
Computational quantum mechanical modelling method to investigate electronic structure
in the theory were greatly refined to better model the exchange and correlation interactions. Computational costs are relatively low when compared to
Density_functional_theory
Quantum correlations related to wave-particle duality
Hanbury Brown and Twiss (HBT) effect is any of a variety of correlation and anti-correlation effects in the intensities received by two detectors from a
Hanbury Brown and Twiss effect
Hanbury_Brown_and_Twiss_effect
Digital image analysis tool
Digital image correlation analyses have applications in material property characterization, displacement measurement, and strain mapping. As such, DIC
Digital image correlation for electronics
Digital_image_correlation_for_electronics
Plot using the dispersal of scattered dots to show the relationship between variables
the degree of correlation (not causation) between two variables.[citation needed] A scatter plot can suggest various kinds of correlations between variables
Scatter_plot
Percent of variation in IQ scores in a given population associated with genetic variation
lifespan and that this increase reflects the importance of gene-environment correlations. Recent genetic research has come to more equivocal results, with estimates
Heritability_of_IQ
Statistical transformation
z-transformation) of a Pearson correlation coefficient is its inverse hyperbolic tangent (artanh). When the sample correlation coefficient r is near 1 or
Fisher_transformation
Study of collection and analysis of data
Chi-squared test Correlation Factor analysis Mann–Whitney U Mean square weighted deviation (MSWD) Pearson product-moment correlation coefficient Regression
Statistics
CORRELATION
CORRELATION
CORRELATION
CORRELATION
Girl/Female
Tamil
First Ray of Sun, Heavenly, Rice, Queen
Boy/Male
Hindu, Indian, Traditional
The Inviolable
Boy/Male
German, Gujarati, Hindu, Indian, Kannada
Agree in Anything
Boy/Male
Tamil
Boy/Male
American, Anglo, Australian, British, Chinese, Christian, English, French, Indian, Scottish, Teutonic
Maker of Arrows; Arror Featherer
Female
Croatian
, the bright, or, the light.
Boy/Male
Tamil
Life, Spirit of life
Girl/Female
Tamil
Boy/Male
Hindu
Female
Scottish
Variant form of Scottish Gaelic Oighrig, possibly EIRIC means "new speckled one."
CORRELATION
CORRELATION
CORRELATION
CORRELATION
CORRELATION
n.
Reciprocal relation; corresponding similarity or parallelism of relation or law; capacity of being converted into, or of giving place to, one another, under certain conditions; as, the correlation of forces, or of zymotic diseases.
n.
The quality of correlation; reciprocation; interchange; interaction; interdependence.
n.
Mutual or reciprocal relation; correlation.