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Asked: 2026-06-17T09:31:59+00:00

I am working on a correlation matrix ( corm ) of 606 columns by

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I am working on a correlation matrix (corm) of 606 columns by 606 rows, and I have a variable called (X) that contains some column names. I want to pick these columns from the (corm).

> print(X)
 [1] "VL"         "IM"         "2_EA"    "Av"       
 [5] "Cit"        "Wap"        "Rp"      "R"      
 [9] "H2e"        "Wp"         "As"      "2"        
 [13] "HS"        "Wep"        "W"       "p"

I apply the following command

corm2 <- corm[,X]

and I get this: 

Error: subscript out of bounds

Any clue what is going wrong here?

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1 Answer

  1. Editorial Team

    Turning that comment into an answer:

    Error: subscript out of bounds happens because some of the names in X are not column names to your corm matrix. In other words, you are trying to extract inexistent columns, hence the error message.

    It is probably because of a typo. You can run setdiff(X, colnames(corm)) to find out the culprit(s).

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