Ksenia
Ksenia
Programming language:Python
2021-05-28 06:49:33
0
Q:

pandas categorical to numeric

Mv Log
Mv Log
Code: Python
2021-03-01 21:37:14 
#this will label the different catagories as 0,1,2,3....
dataset["sex"] = dataset["sex"].astype('category').cat.codes
1
Katelyn Niswonger
Katelyn Niswonger
Code: Python
2021-06-09 03:02:11 
from sklearn.preprocessing import LabelEncoder

lb_make = LabelEncoder()
obj_df["make_code"] = lb_make.fit_transform(obj_df["make"])
obj_df[["make", "make_code"]].head(11)
2
Bonifacio2
Bonifacio2
Code: Python
2021-07-10 04:50:12 
#this will label as one hot vectors (origin is split into 3 columns - USA, Europe, Japan and any one place will be 1 while the others are 0)
dataset['Origin'] = dataset['Origin'].map({1: 'USA', 2: 'Europe', 3: 'Japan'})
0

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