text_html_output_1.png
import pandas as pd

review_text_train = pd.read_csv('../input/review_text_train.csv', index_col=False, delimiter=',', header=0)
review_text_test = pd.read_csv('../input/review_text_test.csv', index_col=False, delimiter=',', header=0)
review_meta_train = pd.read_csv('../input/review_meta_train.csv', index_col=False, delimiter=',', header=0)
review_meta_test = pd.read_csv('../input/review_meta_test.csv', index_col=False, delimiter=',', header=0)

df_test = review_text_test.copy()
df_test['vote_funny'] = review_meta_test.vote_funny
df_test['vote_cool'] = review_meta_test.vote_cool
df_test['vote_useful'] = review_meta_test.vote_useful
df_test

df_test.isna().sum()