 Hi ...

Please could you help with probably a very simple problem I have.  I'm completely new to R and am trying to follow a tutorial using R for Force Distribution Analysis that I got from ... http://projects.eml.org/mbm/website/fda_gromacs.htm.  Basically, the MDS I preform outputs a force matrix (.fm) from the force simulation I perform.

Then, this matrix is read into R and prcomp is performed.

Basically, the tutorial says 'Having run PCA, now is a good time to check the eigenvalue structure.' although it doesn't mention how I actually go about doing that with R.  Could anyone tell me how I would be able to check the eigenvalues/eigenvectors??

Thanks so much for your help and I'm sorry if this is a stupid question!!

Natalie





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