[R] eigen vector sign reversal

[Roger D. Peng]

I think at version 1.7.0 R started using LAPACK for its eigen/svd 
routines.  I think using `eigen(x, EISPACK = TRUE)' uses the previous 
version.

-roger

Karim Elsawy wrote:

>I've just installed R 1.7.1 under linux red hat
>I noticed sign reversal of eigen vectors ,some of them not all, upon
>using diag function relative to those obtained using R 1.4.1
>this is gonna miss up lots of my previous scripts
>I wonder if there is a way to avoid this.
>best regards
>karim
>
>______________________________________________
>R-help at stat.math.ethz.ch mailing list
>https://www.stat.math.ethz.ch/mailman/listinfo/r-help
>
>
>  
>