matrixStats (version 0.8.5)

rowSds: Standard deviation estimates for each row (column) in a matrix

Description

Standard deviation estimates for each row (column) in a matrix.

Usage

rowSds(x, ...)
 colSds(x, ...)
 rowMads(x, centers=rowMedians(x,...), constant=1.4826, ...)
 colMads(x, centers=colMedians(x,...), constant=1.4826, ...)

Arguments

x

A numeric NxK matrix.

centers

A optional numeric vector of length N (K) with centers. By default, they are calculated using rowMedians<

constant

A scale factor. See mad for details.

...

Additional arguments passed to rowVars() and rowMedians(), respectively.

Value

• Returns a numeric vector of length N (K).

See Also

sd, mad and var. rowIQRs().