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Form row variances for numeric arrays.
rowVars(x, ...)
an array of two or more dimensions, containing numeric, complex, integer or logical values, or a numeric data frame.
~~Describe … here~~
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A numeric or complex array of suitable size, or a vector if the result is one-dimensional.
This function is equivalent tu use of apply with FUN = var with MARGIN = 1, but is a lot faster.
rowSums, rowMeans, apply
rowSums
rowMeans
apply