Answers for "count number of unique values in column pandas"

return count of unique values pandas

#TO count repetition of each unique values(to find How many times the same-
# unique value is appearing in the data)

item_counts = df["Your_Column"].value_counts()
#Returns Dictionary => {"Value_name" : number_of_appearences}

count unique pandas

df['column'].nunique()

count unique pandas

df.nunique()

count unique values pandas

df['hID'].nunique()
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python - count how many unique in a column

df['var_1'].nunique()   # How many unque values are present in a variable

dataframe number of unique rows

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# get the unique values (rows) by retaining last row
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df.drop_duplicates(keep='last')