Rows and Columns of a Matrix
Create lists from the rows and/or columns of a matrix.
columns(z) rows(z)
z |
a matrix |
rows
returns a list of the rows of z
. If z
has
row names, those will also be the names of the returned list.
columns
does the same, but for columns. Note that if z
is some kind of time series, so too will be the elements of the
returned list.
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