Python “TypeError: unhashable type: 'slice'” for encoding categorical data

Question

I am getting

TypeError: unhashable type: \'slice\'

when executing the below code for encoding categorical data in Python. Can a

Answer 1

I was getting same error (TypeError: unhashable type: 'slice') with below code:

included_cols = [2,4,10]
dataset = dataset[:,included_cols]  #Columns 2,4 and 10 are included.

Resolved with below code by putting iloc after dataset:

included_cols = [2,4,10]
dataset = dataset.iloc[:,included_cols]  #Columns 2,4 and 10 are included.