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017a
2009 Nov 24
2
linear regression on groups of consecutive rows of a matrix
I want to perform linear regression on groups of consecutive rows--say 5 to
10 such--of two matrices. There are many such potential groups because the
matrices have thousands of rows. The matrices are both of the form:
> shp[1:5,16:20]
SL495B SL004C SL005C SL005A SL017A
-2649 1.06 0.56 NA NA NA
-2648 0.97 0.57 NA NA NA
-2647 0.46 0.30 NA NA NA
-2646 0.92 0.48 NA NA NA
-2645 0.82 0.48 NA NA NA
That is, they both have NA values, and non-NA values, in the same matrix
positions. In my at...