[R] biplot for principal componens analysis

[Jim Lemon]

On 04/30/2013 08:24 AM, capricy gao wrote:
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> I did a PCA for my data which has a dimension of 19000X4 using princomp
>> pca2=princomp((data), cor=F)
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> and obtained a biplot with 19000 labels which were very busy. How can I just show 19000 spot w/o labels?
>> biplot(pca2)
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Hi capricy,
I suppose you could try:

biplot(pca2,xlabs=rep(".",19000))

Jim