Displaying 2 results from an estimated 2 matches for "masterinex".
Did you mean:
masterindex
2009 Nov 23
0
R-help Digest, Vol 81, Issue 23
...> 50. Re: Do you keep an archive of "useful" R code? and if so -
> how? (Carlos J. Gil Bellosta)
> 51. Re: mac os X: mprobit fails to install (Phil Spector)
> 52. Re: how to tell if its better to standardize your data matrix
> first when you do principal (masterinex)
> 53. Re: consecutive numbering of elements in a matrix (Jim Bouldin)
> 54. Re: mac os X: mprobit fails to install (SL)
> 55. How to get the factor level means with interaction term? (Peng Yu)
> 56. Re: Do you keep an archive of "useful" R code? and if so -
>...
2009 Nov 22
1
how to tell if its better to standardize your data matrix first when you do principal
Hi guys ,
Im trying to do principal component analysis in R . There is 2 ways of doing
it , I believe.
One is doing principal component analysis right away the other way is
standardizing the matrix first using s = scale(m)and then apply principal
component analysis.
How do I tell what result is better ? What values in particular should i
look at . I already managed to find the