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 anyone please help     Importing the libraries import numpy as np import matplotlib pyplot as plt import pandas as pd    Importing the dataset dataset   pd read csv  50 Startups csv   y dataset iloc    4  X dataset iloc    0 4     Encoding categorical data from sklearn preprocessing import LabelEncoder  OneHotEncoder labelencoder X   LabelEncoder   X    3    labelencoder X fit transform X    3

User · Answer

Try by changing X   3  to X iloc   3  in label encoder

User · Answer

if you use  Values while creating the matrix   X and Y vectors it will fix the problem   y dataset iloc    4  values  X dataset iloc    0 4  values   when you use  Values it creates a Object representation of the created matrix  will be returned with the axes removed  Check the below link for more information  https   pandas pydata org pandas-docs stable generated pandas DataFrame values html

User · Answer

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

User · Answer

While creating the matrix X and Y vector use values   X dataset iloc   4  values Y dataset iloc   0 4  values   It will definitely solve your problem

User · Answer

Your x and y values   are not running so first of all youre begin to write this point   import numpy as np  import pandas as pd  import matplotlib as plt   dataframe pd read csv    datasets Position Salaries csv     x dataframe iloc   1 2  values   y dataframe iloc   2  values      x1 dataframe iloc    -1  values    point of value have publish

User · Answer

X is a dataframe and can t be accessed via slice terminology like X    3    You must access via iloc or X values   However  the way you constructed X made it a copy    so   I d use values    Importing the libraries import numpy as np import matplotlib pyplot as plt import pandas as pd    Importing the dataset   dataset   pd read csv  50 Startups csv    dataset   pd DataFrame np random rand 10  10   y dataset iloc    4  X dataset iloc    0 4     Encoding categorical data from sklearn preprocessing import LabelEncoder  OneHotEncoder labelencoder X   LabelEncoder       I changed this line X values    3    labelencoder X fit transform X values    3

User · Answer

use Values either while creating variable X or while encoding as mentioned above    Importing the libraries import numpy as np import matplotlib pyplot as plt import pandas as pd    Importing the dataset   dataset   pd read csv  50 Startups csv    dataset   pd DataFrame np random rand 10  10   y dataset iloc    4  values X dataset iloc    0 4  values

[python] Python "TypeError: unhashable type: 'slice'" for encoding categorical data

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