Refactor and reorganze.

[cdsc_reddit.git] / old / tfidf_comments.py

diff --git a/old/tfidf_comments.py b/old/tfidf_comments.py
new file mode 100644 (file)
index 0000000..ec3f6bf
--- /dev/null
+++ b/old/tfidf_comments.py
@@ -0,0 +1,18 @@
+from pyspark.sql import functions as f
+from pyspark.sql import SparkSession
+from pyspark.sql import Window
+from similarities_helper import build_tfidf_dataset
+
+## TODO:need to exclude automoderator / bot posts.
+## TODO:need to exclude better handle hyperlinks. 
+
+spark = SparkSession.builder.getOrCreate()
+df = spark.read.parquet("/gscratch/comdata/output/reddit_ngrams/comment_terms.parquet")
+
+include_subs = pd.read_csv("/gscratch/comdata/output/reddit_similarity/subreddits_by_num_comments.csv")
+include_subs = set(include_subs.loc[include_subs.comments_rank <= 25000]['subreddit'])
+
+df = build_tfidf_dataset(df, include_subs, 'term')
+
+df.write.parquet('/gscratch/comdata/output/reddit_similarity/reddit_similarity/subreddit_terms.parquet',mode='overwrite',compression='snappy')
+spark.stop()