[R] File normalization

cobbler_squad la.foma at gmail.com
Tue May 25 18:01:46 CEST 2010


Dear all,

I have a file with 57 columns (671 time points in each column)

File looks like this:
1    0.279191   -1.203200e-02   -0.166772  6.12080e-02  0.196379 
4.591900e-02  0.293689  
2    0.267017   -1.150700e-02   -0.159463  5.85400e-02  0.187775 
4.392200e-02  0.280854  
3    0.053778   -2.322000e-03   -0.032103  1.18490e-02  0.037921 
8.867000e-03  0.056571  
4    0.035469   -1.531000e-03   -0.021166  7.79200e-03  0.024937 
5.843000e-03  0.037273  
5    0.040774   -1.761000e-03   -0.024342  8.96000e-03  0.028674 
6.726000e-03  0.042910  
6   -0.359709    1.547400e-02    0.214844 -7.87320e-02 -0.253034
-5.905100e-02 -0.378322 

I need to normalize it -- is it possible?

I looked into normalize columns of a matrix to have the median absolute
value in R, but I am not sure how to apply it in this case. Would very much
appreciate any input you could give me..

Thank you all in advance,

Cobbler
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