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In this video we illustrate the computation of Pearson, Spearman and Kendall correlations in R. We also illustrate some functions for doing inference in correlation coefficients. Finally, we show how…
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Scatter plot matrices are useful compact displays of all pairwise scatter plots among a (small) group of variables. They can be produced in R using the pairs() function. (They can also be produced…
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This video covers how to combined data frames in R both horizontally and vertically. The primary tool for the former operation is the merge() function, whereas the rbind.fill() function from the plyr…
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In this video we illustrate the basic capabilities of PROC CORR for estimating Pearson and Spearman correlations and inferences on those quantities. We also show how to use some ODS Graphics plots…
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In this video, we illustrate the use of PROC SGPLOT for producing histograms and show how to specify options to modify the binning scheme and/or switch from a relative frequency scale to absolute…
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The MERGE is used in a data step to combine data sets horizontally (horizontal concatenation). It is almost always used with a BY statement to match observations from multiple data sets according to…
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