Medians of Columns
Compute the sample medians of the columns (non-rows) of a data.frame or array.
colMedians( x, na.rm = FALSE )
x |
a data.frame or array. |
na.rm |
a logical value indicating whether |
A vector or array of the medians of each column (non-row) of x
with dimension dim( x )[-1].
Arne Henningsen
data( "Electricity", package = "Ecdat" )
colMedians( Electricity )
a4 <- array( 1:120, dim = c(5,4,3,2),
dimnames = list( c("a","b","c","d","e"), c("A","B","C","D"),
c("x","y","z"), c("Y","Z") ) )
colMedians( a4 )
median( a4[ , "B", "x", "Z" ] ) # equal to
colMedians( a4 )[ "B", "x", "Z" ]Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.