On Sun, 24 Sep 2023 18:05:43 +0000 "Parkhurst, David" <parkh...@indiana.edu> wrote:
> I have a matrix, KD6, and I_m trying to get a correlation matrix from > it. When I enter cor(KD6), I get the message _Error in cor(KD6) : > 'x' must be numeric_. > Here are some early lines from KD6: > Flow E..coli TN SRP TP TSS > 1 38.8 2,420 1.65300 0.0270 0.0630 66.80 > 2 133.0 2,420 1.39400 0.0670 0.1360 6.80 Use str(KD6) to find out the types of every column of the KD6 data frame. There may be some non-numeric strings later in the document preventing R from converting them to numeric automatically. A brute force solution is as.numeric(), perhaps preceded by some string manipulation, but it's better to find out why the strings were considered non-numeric in the first place. -- Best regards, Ivan ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
