]> code.communitydata.science - cdsc_reddit.git/blobdiff - similarities/weekly_cosine_similarities.py
commit changes from smap project.
[cdsc_reddit.git] / similarities / weekly_cosine_similarities.py
index 6ce30b8e4642049d5fbd15de785f6b3aebfbd389..45327c731a32a1bb9ddcf91bb2200194671d3a40 100755 (executable)
@@ -13,18 +13,23 @@ from similarities_helper import pull_tfidf, column_similarities, write_weekly_si
 from scipy.sparse import csr_matrix
 from multiprocessing import Pool, cpu_count
 from functools import partial
-
-infile = "/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_authors_10k.parquet"
-tfidf_path = "/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/tfidf/comment_authors_compex.parquet"
-min_df=None
-included_subreddits="/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/included_subreddits.txt"
-max_df = None
-topN=100
-term_colname='author'
-# outfile = '/gscratch/comdata/output/reddit_similarity/weekly/comment_authors_test.parquet'
-# included_subreddits=None
-
-def _week_similarities(week, simfunc, tfidf_path, term_colname, min_df, max_df, included_subreddits, topN, outdir:Path, subreddit_names, nterms):
+import pickle
+
+# tfidf_path = "/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/similarity_weekly/comment_authors_tfidf.parquet"
+# #tfidf_path = "/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data//comment_authors_compex.parquet"
+# min_df=2
+# included_subreddits="/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/included_subreddits.txt"
+# max_df = None
+# topN=100
+# term_colname='author'
+# # outfile = '/gscratch/comdata/output/reddit_similarity/weekly/comment_authors_test.parquet'
+# # included_subreddits=None
+outfile="/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/similarity_weekly/comment_authors.parquet"; infile="/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/tfidf_weekly/comment_authors_tfidf.parquet"; included_subreddits="/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/included_subreddits.txt"; lsi_model="/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/similarity/comment_authors_compex_LSI/2000_authors_LSIMOD.pkl"; n_components=1500; algorithm="randomized"; term_colname='author'; tfidf_path=infile; random_state=1968;
+
+# static_tfidf = "/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/tfidf/comment_authors_compex.parquet"
+# dftest = spark.read.parquet(static_tfidf)
+
+def _week_similarities(week, simfunc, tfidf_path, term_colname, included_subreddits, outdir:Path, subreddit_names, nterms, topN=None, min_df=None, max_df=None):
     term = term_colname
     term_id = term + '_id'
     term_id_new = term + '_id_new'
@@ -32,20 +37,19 @@ def _week_similarities(week, simfunc, tfidf_path, term_colname, min_df, max_df,
 
     entries = pull_tfidf(infile = tfidf_path,
                          term_colname=term_colname,
-                         min_df=min_df,
-                         max_df=max_df,
                          included_subreddits=included_subreddits,
                          topN=topN,
-                         week=week,
+                         week=week.isoformat(),
                          rescale_idf=False)
     
     tfidf_colname='tf_idf'
     # if the max subreddit id we found is less than the number of subreddit names then we have to fill in 0s
     mat = csr_matrix((entries[tfidf_colname],(entries[term_id_new]-1, entries.subreddit_id_new-1)),shape=(nterms,subreddit_names.shape[0]))
-
     print('computing similarities')
+    print(simfunc)
     sims = simfunc(mat)
     del mat
+    sims = next(sims)[0]
     sims = pd.DataFrame(sims)
     sims = sims.rename({i: sr for i, sr in enumerate(subreddit_names.subreddit.values)}, axis=1)
     sims['_subreddit'] = subreddit_names.subreddit.values
@@ -56,18 +60,20 @@ def pull_weeks(batch):
     return set(batch.to_pandas()['week'])
 
 # This requires a prefit LSI model, since we shouldn't fit different LSI models for every week. 
-def cosine_similarities_weekly_lsi(n_components=100, lsi_model=None, *args, **kwargs):
+def cosine_similarities_weekly_lsi(*args, n_components=100, lsi_model=None, **kwargs):
+    print(args)
+    print(kwargs)
     term_colname= kwargs.get('term_colname')
-    #lsi_model = "/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/similarity/comment_terms_compex_LSI/1000_term_LSIMOD.pkl"
-
-    # simfunc = partial(lsi_column_similarities,n_components=n_components,n_iter=n_iter,random_state=random_state,algorithm='randomized',lsi_model_load=lsi_model)
+    # lsi_model = "/gscratch/comdata/users/nathante/competitive_exclusion_reddit/data/similarity/comment_authors_compex_LSI/1000_author_LSIMOD.pkl"
 
-    simfunc = partial(lsi_column_similarities,n_components=n_components,n_iter=kwargs.get('n_iter'),random_state=kwargs.get('random_state'),algorithm=kwargs.get('algorithm'),lsi_model_load=lsi_model)
+    lsi_model = pickle.load(open(lsi_model,'rb'))
+    #simfunc = partial(lsi_column_similarities,n_components=n_components,random_state=random_state,algorithm='randomized',lsi_model=lsi_model)
+    simfunc = partial(lsi_column_similarities,n_components=n_components,random_state=kwargs.get('random_state'),lsi_model=lsi_model)
 
     return cosine_similarities_weekly(*args, simfunc=simfunc, **kwargs)
 
 #tfidf = spark.read.parquet('/gscratch/comdata/users/nathante/subreddit_tfidf_weekly.parquet')
-def cosine_similarities_weekly(tfidf_path, outfile, term_colname, min_df = None, max_df=None, included_subreddits = None, topN = 500, simfunc=column_similarities):
+def cosine_similarities_weekly(tfidf_path, outfile, term_colname, included_subreddits = None, topN = None, simfunc=column_similarities, min_df=None,max_df=None):
     print(outfile)
     # do this step in parallel if we have the memory for it.
     # should be doable with pool.map
@@ -84,12 +90,14 @@ def cosine_similarities_weekly(tfidf_path, outfile, term_colname, min_df = None,
     spark.stop()
 
     print(f"computing weekly similarities")
-    week_similarities_helper = partial(_week_similarities,simfunc=simfunc, tfidf_path=tfidf_path, term_colname=term_colname, outdir=outfile, min_df=min_df,max_df=max_df,included_subreddits=included_subreddits,topN=topN, subreddit_names=subreddit_names,nterms=nterms)
+    week_similarities_helper = partial(_week_similarities,simfunc=simfunc, tfidf_path=tfidf_path, term_colname=term_colname, outdir=outfile, min_df=min_df, max_df=max_df, included_subreddits=included_subreddits, topN=None, subreddit_names=subreddit_names,nterms=nterms)
 
-    pool = Pool(cpu_count())
-    
-    list(pool.imap(week_similarities_helper,weeks))
-    pool.close()
+    for week in weeks:
+        week_similarities_helper(week)
+    # pool = Pool(cpu_count())
+        
+    # list(pool.imap(week_similarities_helper, weeks))
+    # pool.close()
     #    with Pool(cpu_count()) as pool: # maybe it can be done with 40 cores on the huge machine?
 
 
@@ -97,10 +105,11 @@ def author_cosine_similarities_weekly(outfile, infile='/gscratch/comdata/output/
     return cosine_similarities_weekly(infile,
                                       outfile,
                                       'author',
-                                      min_df,
                                       max_df,
                                       included_subreddits,
-                                      topN)
+                                      topN,
+                                      min_df=2
+)
 
 def term_cosine_similarities_weekly(outfile, infile='/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_terms.parquet', min_df=None, max_df=None, included_subreddits=None, topN=None):
         return cosine_similarities_weekly(infile,
@@ -112,32 +121,29 @@ def term_cosine_similarities_weekly(outfile, infile='/gscratch/comdata/output/re
                                           topN)
 
 
-def author_cosine_similarities_weekly_lsi(outfile, infile = '/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_authors_test.parquet', min_df=2, max_df=None, included_subreddits=None, topN=None,n_components=100,lsi_model=None):
+def author_cosine_similarities_weekly_lsi(outfile, infile = '/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_authors_test.parquet', included_subreddits=None, n_components=100,lsi_model=None):
     return cosine_similarities_weekly_lsi(infile,
                                           outfile,
                                           'author',
-                                          min_df,
-                                          max_df,
-                                          included_subreddits,
-                                          topN,
+                                          included_subreddits=included_subreddits,
                                           n_components=n_components,
-                                          lsi_model=lsi_model)
+                                          lsi_model=lsi_model
+                                          )
 
 
-def term_cosine_similarities_weekly_lsi(outfile, infile = '/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_terms.parquet', min_df=None, max_df=None, included_subreddits=None, topN=500,n_components=100,lsi_model=None):
+def term_cosine_similarities_weekly_lsi(outfile, infile = '/gscratch/comdata/output/reddit_similarity/tfidf_weekly/comment_terms.parquet', included_subreddits=None, n_components=100,lsi_model=None):
         return cosine_similarities_weekly_lsi(infile,
                                               outfile,
                                               'term',
-                                              min_df,
-                                              max_df,
-                                              included_subreddits,
-                                              topN,
+                                              included_subreddits=included_subreddits,
                                               n_components=n_components,
-                                              lsi_model=lsi_model)
+                                              lsi_model=lsi_model,
+                                              )
 
 if __name__ == "__main__":
     fire.Fire({'authors':author_cosine_similarities_weekly,
                'terms':term_cosine_similarities_weekly,
                'authors-lsi':author_cosine_similarities_weekly_lsi,
-               'terms-lsi':term_cosine_similarities_weekly
+               'terms-lsi':term_cosine_similarities_weekly_lsi
                })
+

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