One hot encoding

One hot encoding python pandas

y = pd.get_dummies(df.Countries, prefix='Country')
print(y.head())
# from here you can merge it onto your main DF

Source: stackabuse.com

One hot encoding numpy

  labels = (np.arange(num_labels) == labels[:,None]).astype(np.float32)

One hot encoding

from sklearn.preprocessing import OneHotEncoder
encoder = preprocessing.OneHotEncoder(handle_unknown='ignore')
y = np.array([1, 2, 1, 3])
y = y.reshape(-1,1)
encoder.fit(y)
y_oh = encoder.transform(y).toarray()
print(y_oh)
>>[[1. 0. 0.]
 [0. 1. 0.]
 [1. 0. 0.]
 [0. 0. 1.]]

Similar codes

0 vote120 views1 answer
Let's consider an infinite sequence of digits constructed of ascending powers of 10 written one after another python solution
Python
2 votes100 views1 answer
Serializers.py include all fields
Python
2 votes122 views1 answer
Tf.reduce_sum()
Python
13 votes105 views4 answers
Panda dataframe to list
Python
42 votes111 views3 answers
Df iterrows pandas
Python
0 vote139 views2 answers
Generate random password django
Python Django
0 vote118 views1 answer
Codeforces 677a python solution
Python
2 votes105 views1 answer
When opening a file in python what does w mean
Python
2 votes105 views1 answer
Pandas drop extension name from list of files
Python
3 votes139 views1 answer
Django import model from another app
Python Django