| sd | R Documentation | 
This function computes the standard deviation of the values in x.
If na.rm is TRUE then missing values are removed before
computation proceeds.
## S4 method for signature 'fm' sd(x, na.rm = FALSE) ## S4 method for signature 'fmV' sd(x, na.rm = FALSE)
| x | a FlashR vector or matrix. | 
| na.rm | logical. Should missing values be removed? | 
mat <- fm.runif.matrix(100, 10) sd(mat)