Hi R Folk I have been kicking some data around and one thing has been to try a
PC analysis on it, but whereas in the online examples I've looked at the prcomp
function gives a set of five outputs when I use the prcomp function it only
gives me a set of standard deviations and the rotation matrix
My data (pcl) is this:
resmat.3...2. resmat.3...3. resmat.3...4.
1 0.08749276 0.015706470 0.259
2 0.08749276 0.039266176 0.198
3 0.10630841 0.047119411 0.235
4 0.25307047 0.062825881 0.374
5 0.14393971 0.117798527 0.534
6 0.23049169 0.023559705 0.355
7 0.15052518 0.007853235 0.179
8 0.09784137 0.031412940 0.219
9 0.09878215 0.039266176 0.301
10 0.14111736 0.157064702 0.285
11 0.03951286 0.015706470 0.036
12 0.16181457 0.125651762 0.324
13 0.13359110 0.031412940 0.304
14 0.08278885 0.031412940 0.221
15 0.08561120 0.023559705 0.207
16 0.12042015 0.039266176 0.194
17 0.13359110 0.047119411 0.164
18 0.08937433 0.047119411 0.216
19 0.12700562 0.023559705 0.230
the output is then
> prcomp(pcl,scale.=T)
Standard deviations:
[1] 1.4049397 0.8447366 0.5590747
Rotation:
PC1 PC2 PC3
resmat.3...2. 0.5599782 -0.64434772 -0.5208075
resmat.3...3. 0.5229417 0.76245515 -0.3810434
resmat.3...4. 0.6426168 -0.05897597 0.7639146
Does anyone know why the other things are not appearing?
Thanks, Nick
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