n | R Documentation |
Returns the number of valid (non-NA
) values in a variable. This is a wrapper around univar
function with length
function passed in fn
argument, but with missing values previously removed. However, it's not possible to cancel NA
omission with this function (doing so will yield error).
n(...)
... |
parameters to be passed to |
a numeric value with number of valid (non-NA) vector elements
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