[R] correlation matrix
Peter.Alspach at plantandfood.co.nz
Mon Oct 10 22:18:32 CEST 2011
Tena koe Sharad
If I understand you correctly, you want the lower triangle of your combined matrix to be the lower triangle of one of the correlation matrices, and the upper triangle to be the upper triangle from the other. If so, check lower.tri() and upper.tri().
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of 1Rnwb
> Sent: Tuesday, 11 October 2011 6:20 a.m.
> To: r-help at r-project.org
> Subject: [R] correlation matrix
> Hello Gurus
> I have two correlation matrices 'xa' and 'xb'
> I want to combine these two to get a third matrix which should have
> values from 'xa' and half values from 'xb'
> x x1 x2
> x 1.0000000 -0.15157123 -0.23085308
> x1 0.3466155 1.00000000 -0.01061675
> x2 0.1234507 0.01775527 1.00000000
> I would like to generate a heatmap for correlation values in disease
> and non
> disease phenotype
> I would appreciate if someone can point me in correct direction.
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