tfidf_authors.py

   1 from pyspark.sql import SparkSession
   2 from similarities_helper import build_tfidf_dataset
   3 import pandas as pd
   4
   5 spark = SparkSession.builder.getOrCreate()
   6
   7 df = spark.read.parquet("/gscratch/comdata/users/nathante/reddit_tfidf_test_authors.parquet_temp")
   8
   9 include_subs = pd.read_csv("/gscratch/comdata/users/nathante/cdsc-reddit/subreddits_by_num_comments.csv")
  10
  11 #include_subs = set(include_subs.loc[include_subs.comments_rank < 300]['subreddit'])
  12
  13 # remove [deleted] and AutoModerator (TODO remove other bots)
  14 df = df.filter(df.author != '[deleted]')
  15 df = df.filter(df.author != 'AutoModerator')
  16
  17 df = build_tfidf_dataset(df, include_subs, 'author')
  18
  19 df.write.parquet('/gscratch/comdata/users/nathante/subreddit_tfidf_authors.parquet',mode='overwrite',compression='snappy')
  20
  21 spark.stop()