Computer scienceData scienceInstrumentsPandasData analysis with pandas

Summarizing categorical columns

Counting types

Report a typo

Match methods/attributes with their purposes.

Match the items from left and right columns

.count()

.isna().sum()

.shape[0]

.nunique()

Counts every row

Counts only nulls

Counts all non-null values

Counts the number of unique values

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