Have you read (relevant sections) of "An Introduction to R" to gain
some basic understanding of how R works? If not, please do so before
further posting.
Briefly, Var is a data frame and rcorr wants a matrix.
-- Bert
On Wed, Sep 12, 2012 at 8:04 AM, Jason Love <jason.love1...@gmail.com> wrote:
> Hello,
> I'd like to test a significance of two variables in their correlation using
> rcorr, which gave me an error of format incompatibility.
> Below are the lines that I typed in the R window and let me know if anyone
> knows how to resolve this.
>
> Var=read.csv("03apr10ab_corr_matrix_in_overlaps.csv",header=F)
> colnames(Var)=c("D Prime","T statistics")
>
> D Prime T statistics
> 1 1.7234e-01 4.926800
> 2 1.4399e-01 2.892000
> 3 1.4626e-01 2.642800
> 4 3.5147e-02 1.112400
> 5 5.8957e-02 2.723700
>
>
> rcorr(Var, type="pearson")
>
> Error in storage.mode(x) <- if (.R.) "double" else "single" :
> (list) object cannot be coerced to type 'double'
>
> [[alternative HTML version deleted]]
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
--
Bert Gunter
Genentech Nonclinical Biostatistics
Internal Contact Info:
Phone: 467-7374
Website:
http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
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