to_csv turns a placefile into a csv file.

usage: to_csv [options] placefile[s]


-o Specify the filename to write to.
--out-dir Specify the directory to write files to.
--prefix Specify a string to be prepended to filenames.
--no-csv Output the results as a padded matrix instead of csv.
--point-mass Treat every pquery as a point mass concentrated on the highest-weight placement.
--pp Use posterior probability for the weight.