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unclear
2012 Apr 26
2
write to M, using row and columns taken from A and B, with values from C
I want to write to M, using row and columns taken from A and B, with values
from C. C is a lot longer than A and B, so only the first 67420 elements of
C are used in my loop.So how can I improve it to take then the next 67420
and write it to new file and so on till the 248th 67420. Many thanks
library(Matrix)
M <- Matrix(-9999, 360, 720) ## creat matrix with 720 columns and 360 ro
ws