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then2
2009 Apr 21
3
Deleting rows or cols that do not meet cut off
How can I delete both rows and columns that do not meet a particular cut off value.
Example:
> d <- rbind(c(0, 1, 6, 4),
+ c(2, 5, 7, 5),
+ c(3, 6, 1, 6),
+ c(4, 4, 4, 4))
> f <- as.matrix(d)
> f
[,1] [,2] [,3] [,4]
[1,] 0 1 6 4
[2,] 2 5 7 5
[3,] 3 6 1 6
[4,] 4 4 4 4
I would like to delete all