Answers for "get dummies python"

getting dummies and input them to pandas dataframe

note:
dummies = pd.get_dummies(df[['column_1']], drop_first=True)
df = pd.concat([df.drop(['column_1'],axis=1), dummies],axis=1)


note:for more that one coloum keep ading in the list 
dummies = pd.get_dummies(df[['column_1', 'column_2','column_3']], drop_first=True)
df = pd.concat([df.drop(['column_1', 'column_1'],axis=1), dummies],axis=1)

get dummies

import pandas as pd
import numpy as np
 
 
# dictionary
diff = pd.DataFrame({'R': ['a', 'c', 'd'],
                     'T': ['d', 'a', 'c'],
                     'S_': [1, 2, 3]})
 
print(pd.get_dummies(diff, prefix=['column1', 'column2']))

get dummies pandas

>>> pd.get_dummies(pd.Series(list('abc')), dtype=float)
     a    b    c
0  1.0  0.0  0.0
1  0.0  1.0  0.0
2  0.0  0.0  1.0

python for dummies

A good book I guess, but kinda outdated now.

get dummies pandas

>>> pd.get_dummies(pd.Series(list('abcaa')), drop_first=True)
   b  c
0  0  0
1  1  0
2  0  1
3  0  0
4  0  0