Hi list,
           I am not a frequent user of R.  Recently I used R in principal
component analysis and got the result as a class, which has information like
standard deviation and principal components from 1 to 10.  How is it
possible to extract the column corresponding to first principal component
and write it to a file
the out from prcomp command is something like this

Standard
deviations:

 [1] 3.325801e+00 7.669837e-01 6.625773e-01 4.990732e-01 3.470071e-01
 [6] 2.946679e-01 2.206289e-01 1.645828e-01 1.570887e-01
4.741294e-16


Rotation:
               PC1           PC2           PC3           PC4          PC5
  [1,] -0.07900624 -0.0824864352  0.1208419434  0.1763425845  0.089545020
  [2,] -0.09114708 -0.0901675110  0.1377608881  0.2224127252  0.076620976
  [3,] -0.10510742 -0.0935434206  0.1113586044  0.2513993555  0.029783117

I want to extract PC1 and 1 value in the standard deviation

Thanks

-- 
Nuncio.M
Research Scientist
National Center for Antarctic and Ocean research
Head land Sada
Vasco da Gamma
Goa-403804

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