Displaying 3 results from an estimated 3 matches for "statsoftinc".
2004 Mar 17
0
mva :: prcomp
...listed first.
But, how can I figure out what these principal components are exactly?
For example PC1. Was is the exact meaning of it?
I assumed it is some linear combination of the variables I provided in
the call to prcomp, but how can i obtain this linear combination?
ps > i used http://www.statsoftinc.com/textbook/stfacan.html as a
reference, and help(prcomp/princomp) of course.
Thanks for any help!
Jonne.
# Read a table
dir = "..."
file = "..." # huge file, 12 Mb
stats = read.table(paste(dir, file, sep=""), header=TRUE)
# Select several columns
data = subset(st...
2004 Jul 22
1
Disriminant analysis with lda (MASS)
Hello,
Does the "lda" function (package MASS) perform or can it perform classic
two-group Fisher discriminant analysis?
R-version: 1.9.1, MASS package (latest available)
Thank you,
Borut Rajer
2004 Feb 26
2
Multidimensional scaling and distance matrices
Dear All,
I am in the somewhat unfortunate position of having to reproduce the
results previously obtained from (non-metric?) MDS on a "kinship" matrix
using Statistica. A kinship matrix measures affinity between groups, and
has its maximum values on the diagonal.
Apparently, starting with a nxn kinship matrix, all it was needed to do
was to feed it to Statistica flagging that the