• Thumbnail for Pearson correlation coefficient
    In statistics, the Pearson correlation coefficient (PCC) is a correlation coefficient that measures linear correlation between two sets of data. It is...
    58 KB (8,383 words) - 04:12, 17 May 2025
  • A correlation coefficient is a numerical measure of some type of linear correlation, meaning a statistical relationship between two variables. The variables...
    8 KB (754 words) - 05:11, 27 February 2025
  • In statistics, the Kendall rank correlation coefficient, commonly referred to as Kendall's τ coefficient (after the Greek letter τ, tau), is a statistic...
    31 KB (5,437 words) - 21:11, 2 April 2025
  • Thumbnail for Spearman's rank correlation coefficient
    In statistics, Spearman's rank correlation coefficient or Spearman's ρ, named after Charles Spearman and often denoted by the Greek letter ρ {\displaystyle...
    32 KB (4,264 words) - 21:44, 10 April 2025
  • In statistics, the coefficient of multiple correlation is a measure of how well a given variable can be predicted using a linear function of a set of...
    6 KB (923 words) - 16:43, 31 March 2024
  • binary variables. In machine learning, it is known as the Matthews correlation coefficient (MCC) and used as a measure of the quality of binary (two-class)...
    25 KB (3,802 words) - 20:36, 20 May 2025
  • The point biserial correlation coefficient (rpb) is a correlation coefficient used when one variable (e.g. Y) is dichotomous; Y can either be "naturally"...
    8 KB (1,398 words) - 14:53, 8 May 2025
  • program? A rank correlation coefficient can measure that relationship, and the measure of significance of the rank correlation coefficient can show whether...
    14 KB (2,556 words) - 06:09, 2 March 2025
  • Thumbnail for Intraclass correlation
    In statistics, the intraclass correlation, or the intraclass correlation coefficient (ICC), is a descriptive statistic that can be used when quantitative...
    24 KB (3,277 words) - 16:46, 9 October 2024
  • Thumbnail for Correlation
    product-moment correlation coefficient (PPMCC), or "Pearson's correlation coefficient", commonly called simply "the correlation coefficient". It is obtained...
    39 KB (5,359 words) - 05:34, 20 May 2025
  • In statistics, the concordance correlation coefficient measures the agreement between two variables, e.g., to evaluate reproducibility or for inter-rater...
    5 KB (837 words) - 17:25, 21 May 2025
  • Thumbnail for Autocorrelation
    normalize the autocovariance function to get a time-dependent Pearson correlation coefficient. However, in other disciplines (e.g. engineering) the normalization...
    39 KB (5,833 words) - 21:51, 7 May 2025
  • Thumbnail for Coefficient of determination
    are included, R2 is the square of the coefficient of multiple correlation. In both such cases, the coefficient of determination normally ranges from 0...
    45 KB (6,216 words) - 05:14, 27 February 2025
  • Thumbnail for Cross-correlation
    Pearson correlation coefficient. However, in other disciplines (e.g. engineering) the normalization is usually dropped and the terms "cross-correlation" and...
    26 KB (4,083 words) - 05:53, 30 April 2025
  • Thumbnail for Q–Q plot
    plot correlation coefficient" (PPCC plot) is the correlation coefficient between the paired sample quantiles. The closer the correlation coefficient is...
    21 KB (2,518 words) - 00:48, 20 March 2025
  • tetrachoric correlation coefficient but it is only applicable to 2 × 2 tables. Polychoric correlation is an extension of the tetrachoric correlation to tables...
    15 KB (1,945 words) - 20:16, 30 October 2023
  • numerical relationship between two variables of interest, using their correlation coefficient will give misleading results if there is another confounding variable...
    24 KB (3,782 words) - 08:17, 28 March 2025
  • pi and Fleiss' kappa; or inter-rater correlation, concordance correlation coefficient, intra-class correlation, and Krippendorff's alpha. There are several...
    19 KB (2,480 words) - 02:28, 9 January 2024
  • Thumbnail for Distance correlation
    population distance correlation coefficient is zero if and only if the random vectors are independent. Thus, distance correlation measures both linear...
    24 KB (3,859 words) - 08:19, 9 April 2025
  • value. Examples of effect sizes include the correlation between two variables, the regression coefficient in a regression, the mean difference, or the...
    56 KB (7,836 words) - 14:21, 20 May 2025
  • Thumbnail for Mutual information
    to real-valued random variables and linear dependence like the correlation coefficient, MI is more general and determines how different the joint distribution...
    56 KB (8,848 words) - 15:24, 16 May 2025
  • Thumbnail for F-score
    true negatives into account, hence measures such as the Matthews correlation coefficient, Informedness or Cohen's kappa may be preferred to assess the performance...
    16 KB (2,382 words) - 13:50, 19 May 2025
  • applicable. Therefore, many correlations were developed by various authors to estimate the convective heat transfer coefficient in various cases including...
    27 KB (4,502 words) - 12:00, 19 April 2025
  • informative metric to evaluate a confusion matrix is the Matthews correlation coefficient (MCC). Other metrics can be included in a confusion matrix, each...
    15 KB (1,665 words) - 22:07, 20 May 2025
  • especially in biostatistics, cophenetic correlation (more precisely, the cophenetic correlation coefficient) is a measure of how faithfully a dendrogram...
    4 KB (438 words) - 17:22, 21 March 2024
  • abundance curve Rank correlation mainly links to two following Spearman's rank correlation coefficient Kendall tau rank correlation coefficient Rank product Rank-size...
    87 KB (8,280 words) - 23:04, 12 March 2025
  • v=x_{1}e_{1}+x_{2}e_{2}+\dotsb +x_{n}e_{n}.} Correlation coefficient Degree of a polynomial Monic polynomial Binomial coefficient "ISO 80000-1:2009". International...
    7 KB (1,125 words) - 14:30, 5 March 2025
  • Thumbnail for Fisher transformation
    Fisher transformation (category Covariance and correlation)
    z-transformation) of a Pearson correlation coefficient is its inverse hyperbolic tangent (artanh). When the sample correlation coefficient r is near 1 or -1, its...
    12 KB (1,558 words) - 03:31, 6 January 2025
  • Thumbnail for Precision and recall
    recall), or the Matthews correlation coefficient, which is a geometric mean of the chance-corrected variants: the regression coefficients Informedness (DeltaP')...
    23 KB (3,757 words) - 06:47, 21 March 2025
  • correlation coefficients are required. They provide a numerical value that reflects the strength of an association. Pearson correlation coefficient is...
    54 KB (6,527 words) - 07:17, 7 May 2025