A generic function to compress a row-weighted table

Compress a matrix or a data frame with duplicated rows, updating row weights to reflect frequencies, or reverse the process, reconstructing a matrix like the one compressed (subject to permutation of rows and weights not adding up to an integer).

compress_rows(x, ...)

decompress_rows(x, ...)

Arguments

x

a weighted matrix or data frame.

...

extra arguments for methods.

Value

For compress_rows A weighted matrix or data frame of the same type with duplicated rows removed and weights updated appropriately.