On Mar 20, 2010, at 3:43 AM, tj wrote:
Hi, may I ask for your help...
What is the R code if I want to count the number of times that "2"
appeared
in the following R output
k
[1] 1 1 1 1 1 1 3 1 2 1 1 1 1 1 1 1 1 3 2 1 1 4 1 1 1 1 1 5 1 1
sum(k==2)
David Winsemius, MD
West Hartford, CT
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