Ok, thank you Mark.
I also found out, that it is not a good idea to perform a Pca with the equal
numbers of observation and variables. It is preferable to have much more
observations.
Regards,
Albina.
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http://r.789695.n4.nabble.com/Package-rrcov-functions-PcaCov
On Jul 13, 2011; 12:03pm Albina wrote:
> Error: diff(sv)<0 ist not all TRUE
> ... . >snip<
> The same error occurs with the other functions. What does this mean and
> how can I perform the robust
> PCA with these functions by using a quadratic matrix as input?
Albina,
You at least need to feed
Hello,
I'm using the R-2.13.1 version in Windows and I'm trying to do a robust Pca
with the following:
x<-matrix(0.5,30,30)
library("rrcov")
y<-PcaCov(x)
The following error occurs:
Error: diff(sv)<0 ist not all TRUE
The same error occurs with the other functions. What does this mean and how
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