How To... Plot a Correlation Matrix in R #99

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Learn how to generate a correlation matrix with multiple variables with @EugeneOLoughlin.

The R script (99_How_To_Code.R) for this video is available to download from Github at:

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Very useful. I just used this in a 26*26 matrix and compared to heatmap, this is better as heatmaps are good for larger matrix. Thanks.

junli
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It is showing error as
> cormat<-cor(matrix)
Error in cor(matrix) : 'x' must be numeric

alokjayara
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