count appearence of zero in a vector
sum(test == 0)
On Thu, Jan 3, 2013 at 5:49 PM, Hermann Norpois <hnorpois at googlemail.com> wrote:
Hello, I wish to count how often zero (0) appears in the vector test. test [1] 1 1 1 1 1 1 2 1 1 1 0 2 0 1 1 0 0 0 1 1 1 0 1 2 1 1 1 1 1 1 I think of something like ...
sapply (test, function (x) if (x==0 ...
... but actually I dont know how to carry on. Could anybody give me a hint? Thanks Hermann
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