pandas之value_counts - Code World

pandas之value_counts

Others 2020-03-13 21:23:45 views: null

A set of lottery data

(A) count the number of 0 to 9, each number appearing on the first column a1

pd.value_counts(df.a1)

(B) count the number of all data in the respective data 0 to 9 appear

pd.value_counts(df.values.flatten())

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Origin www.cnblogs.com/jm7612/p/12488849.html

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