KnowraCorrelationLinked fromLinked fromThe 26 pages that link to Correlation, each with the reason it gives.All 26Broader topic 1Related 11Narrower topic 4Compared with 10Principal component analysisRelated: PCA replaces correlated input variables with component scores that are uncorrelated.Regression analysisRelated: Correlation describes pairwise association but does not specify a regression model.Scatter plotRelated: A scatter plot makes positive, negative, and weak correlations visible.Data typesRelated: A correlation coefficient encodes numerical relationships and is not automatically suitable for every scale.DiversificationRelated: Lower return correlation between holdings generally makes their combined portfolio less volatile.Modern portfolio theoryRelated: Correlations make the diversification effect of asset co-movement easier to compare.Harry MarkowitzRelated: Correlation makes the diversification effect between asset returns easier to interpret.Mean–variance analysisRelated: It helps explain diversification by expressing how asset returns co-move.Line chartRelated: Multiple plotted lines can suggest co-movement, but visual alignment alone does not establish causation.Regression toward the meanRelated: When repeated measurements are imperfectly correlated, extreme values tend to be followed by less extreme ones.Positive economicsRelated: Positive claims must avoid treating an observed economic association as proof of a causal mechanism.