JMP (video 4/8) - Correlation

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Uploaded by on Oct 28, 2010

Introduction to correlation using JMP included is the generation of a scatterplot matrix, calculation of the Pearson correlation statistic (AKA the Pearson correlation coefficient), Spearman's Rho, and the confidence intervals and p-values associated with these statistics. The available p-values are based on a null hypothesis of no correlation.

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Education

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  • Very helpful. Thanks so much.

  • Thanks! Does JMP report Pearson population or sample coefficients in the pariwise comparison display?

  • Is there any way to get a scatterplot matrix of Spearman correlations or to see a graph of some sort of this type of correlation? I have hundreds of correlations I want to look at graphically, but I don't want to create each graph separately.

  • Great video, I woud like know why the variables have to be normally distributed for the Pearson Correlation Test? Does the test not apply for distributions which are skewed?

  • thank you for the informative correlation discussion. I will definitely be watching the others as I try to write up my thesis.

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