Hi
r-help-boun...@r-project.org napsal dne 06.12.2010 11:02:03:
>
> Hi,
>
> I am trying to calculate correlation coefficient for gene expression
data.
>
> Tab delimited file looks like this
>
> Id v1 v2 v3
> df 56 90 45
> gh 87 98 78
> ty 89 78 67
>
> I used this code
>
>
> [code]
>
> gse20437 <- read.csv("C:/Users//Desktop/data/GSE20437_matrix.txt",header
=
> TRUE, sep = ",", strip.white = TRUE)
>
> gsecor <- cor(gse20437, method ="pearson") or
>
> gsecor <- cor(gse20437)
>
> [/code]
>
> i get error x must be numeric..
>
> can anybody help me.
At least your Id column is not numeric. Do not use it for cor.
gsecor <- cor(gse20437[,-1])
Regards
Petr
>
> thanks in advance
>
>
>
>
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