FAQ/corrsFAQ - CBU statistics Wiki

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Questions about correlations

  1. [:FAQ/skew:How should I deal with outliers when doing correlations?]
  2. [:FAQ/partsp:How do I produce nonparametric Spearman partial correlations using SPSS?]

  3. [:FAQ/Collinearity:What is Collinearity in multiple regression, and what do I do about it?]

  4. [:FAQ/WilliamsSPSS:How do I compare a pair of correlations?]

  5. [:FAQ/avcor:How do I obtain an average correlation?]
  6. [:FAQ/corrs:How do I test if a correlation is zero?]
  7. [:FAQ/pvs:How do I test if more than one correlation is zero?]
  8. [:FAQ/corrsCi:How do I obtain a 95% confidence interval for a correlation (or slope in a simple regression) in SPSS?]
  9. [:FAQ/Power: Power calculations for testing if correlations equal zero]
  10. [:FAQ/polychoric: What are polychoric correlations and how do I compute them and use in SPSS?]
  11. [:FAQ/icc: What are intraclass correlations and how do I use them?]
  12. [:FAQ/rest: A note on correcting for restriction of ranges which underestimate Pearson correlations]

  13. [:FAQ/RegCor:What is the relationship between significance tests of regression coefficients and of correlation coefficients?]