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pivot #2

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JiayingChen36 opened this issue Nov 3, 2019 · 0 comments

JiayingChen36 commented Nov 3, 2019

movie_user_mat = df_ratings_drop_users.pivot(index='movieId', columns='userId', values='rating').fillna(0)

When I run this code, I get an error: "ValueError: Unstacked DataFrame is too big, causing int32 overflow". So how do you resolve this problem?

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