valueCounts

Return DataFrame containing counts of unique values in DataFrame or DataColumn.

valueCounts(sort = true, ascending = false, dropNA = false)
     [ { columns } ]

See column selectors for how to select the columns for this operation.

Parameters:

• sort: Boolean = true — sort by count

• ascending: Boolean = false — sort in ascending order

• dropNA: Boolean = true — don't include counts of NA values

• columns = all — columns to use when counting unique combinations

df.city.valueCounts()

df.valueCounts { name and city }