| rowSds {genefilter} | R Documentation |
Row variance and standard deviation of a numeric array
rowVars(x, ...) rowSds(x, ...)
x |
An array of two or more dimensions, containing numeric, complex, integer or logical values, or a numeric data frame. |
... |
Further arguments that get passed on to
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These are very simple convenience functions, the main work is done in
rowMeans and rowSums. See the function
definition of rowVars, it is very simple.
A numeric or complex array of suitable size, or a vector if the result is one-dimensional. The ‘dimnames’ (or ‘names’ for a vector result) are taken from the original array.
Wolfgang Huber http://www.ebi.ac.uk/huber
a = matrix(rnorm(1e4), nrow=10) rowSds(a)