Variance and Standard Deviation
var and sd compute the variance and standard deviation
of a vector x.
NOTE: This man page is for the var and sd,
S4 generic functions defined in the BiocGenerics package.
See ?stats::var and ?stats::sd
for the default methods (defined in the stats package).
Bioconductor packages can define specific methods for objects
(typically array-like) not supported by the default method.
var(x, y = NULL, na.rm = FALSE, use)
sd(x, na.rm = FALSE)x |
a vector-like object |
y |
a vector-like object, or |
na.rm, use |
see var |
Specific methods defined in Bioconductor packages will typically return an object of the same class as the input object.
showMethods for displaying a summary of the
methods defined for a given generic function.
selectMethod for getting the definition of
a specific method.
BiocGenerics for a summary of all the generics defined in the BiocGenerics package.
var
showMethods("var")
selectMethod("var", "ANY") # the default methodPlease choose more modern alternatives, such as Google Chrome or Mozilla Firefox.