Save the dissimilarity matrix to file in delimited text format.
Parameters:
out_f : file-like object or filename
File-like object to write serialized data to, or name of
file. If it’s a file-like object, it must have a write
method, and it won’t be closed. Else, it is opened and
closed after writing.
delimiter : str, optional
Delimiter used to separate elements in output format.