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This function extracts the leftmost or rightmost set of columns of a data frame or matrix.
side(x, side = 1, n = 3)
A data.frame or matrix.
data.frame
matrix
Either 1 (left side) or 2 (right side), or 'left' or 'right'. Case is ignored and partial matching is used.
'left'
'right'
Number of columns. The default is 3.
corner, head, tail
corner
head
tail
side(iris) side(iris, 2) side(iris, 'l') side(iris, 'r') side(iris, 1, 2)
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