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A $k\times k$ matrix of correlations between all pairs of $k$ random variables. All its diagonal elements are equal to one.

13 votes
3 answers
5k views

Is there a serious problem with dropping observations with missing values when computing cor...

I have this huge data set with like 2500 variables and like 142 observations. I want to run a correlation between Variable X and the rest of the variables. But for many columns, there are entries mi …
Stan Shunpike's user avatar