numberof {cwhmisc} | R Documentation |
numberof
counts the number elements that satisfy a condition.
numberof(x, f)
x |
Numerical array. |
f |
Logical function emulating the condition to be satisfied. |
Christian W. Hoffmann <c-w.hoffmann@sunrise.ch>
http://www.wsl.ch/personal_homepages/hoffmann/index_EN
numberof(c(1:100,NA,NA,NaN),function(x) !is.na(x))