df = df.filter(df.author != '[deleted]')
df = df.filter(df.author != 'AutoModerator')
df = build_tfidf_dataset(df, include_subs, 'author')
df = df.filter(df.author != '[deleted]')
df = df.filter(df.author != 'AutoModerator')
df = build_tfidf_dataset(df, include_subs, 'author')