How can I find the smallest value in a matrix that is greater than -Inf with R?
Question
I have a matrix of values some of which are -Inf. How can I find the smallest value that is greater than -Inf?
2 answers
solution1
5 ACCPTED 2012-12-14 21:38:36
This way:
foo <- matrix(c(1,2,-Inf,3),nrow=2,ncol=2)
min(foo[foo>-Inf])
[1] 1
solution2
3 2012-12-14 22:47:21
min( foo[ is.finite(foo) ] #...
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