[R] Error: arguments imply differing number of rows

From: Jeffrey T. Steedle <jsteedle_at_stanford.edu>
Date: Tue, 11 Mar 2008 11:58:59 -0700


I am simply trying to put 4 boxplots on the same plot, but I keep getting the "arguments imply differing number of rows" error. Here, I have two variables: a factor x of length 1762 (with 4 levels) and a numeric variable y of length 1762. How is it that my arguments imply differing numbers of rows?

> length(x)

[1] 1762
> length(y)

[1] 1762
> is.factor(x)

[1] TRUE
> is.numeric(y)

[1] TRUE
> plot(x,y)
Error in data.frame(group, x) :

   arguments imply differing number of rows: 1762, 2165
> boxplot(y~x)
Error in data.frame(group, x) :

   arguments imply differing number of rows: 1762, 2165



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