groceryheist/cdsc_reddit
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Updating to support wang-style user overlaps.

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This commit is contained in:
Nate E TeBlunthuis
2020-12-24 22:38:04 -08:00
parent 56269deee3
commit 4e20dce188
11 changed files with 193 additions and 70 deletions
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18
similarities/wang_similarity.py Normal file
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from similarities_helper import similarities
import numpy as np
import fire
def wang_similarity(mat):
non_zeros = (mat != 0).astype(np.float32)
intersection = non_zeros.T @ non_zeros
return intersection
infile="/gscratch/comdata/output/reddit_similarity/tfidf/comment_authors.parquet"; outfile="/gscratch/comdata/output/reddit_similarity/wang_similarity_10000.feather"; min_df=1; included_subreddits=None; topN=10000; exclude_phrases=False; from_date=None; to_date=None
def wang_overlaps(infile, outfile="/gscratch/comdata/output/reddit_similarity/wang_similarity_10000.feather", min_df=1, max_df=None, included_subreddits=None, topN=10000, exclude_phrases=False, from_date=None, to_date=None):
return similarities(infile=infile, simfunc=wang_similarity, term_colname='author', outfile=outfile, min_df=min_df, max_df=None, included_subreddits=included_subreddits, topN=topN, exclude_phrases=exclude_phrases, from_date=from_date, to_date=to_date)
if __name__ == "__main__":
fire.Fire(wang_overlaps)