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 vote200 views1 answer
Call item from dictionary python
Python
-2 votes200 views2 answers
Entered_text_1 = textbox_1.get(1.0, tk.END+"-1c")
Python
0 vote208 views1 answer
Pyspark check all columns for null values
Python
1 vote213 views2 answers
Write hexadecimal in python
Python
0 vote200 views1 answer
?: (admin.W411) 'django.template.context_processors.request' must be enabled in DjangoTemplates (TEMPLATES) in order to use the admin navigation sidebar.
Python
0 vote194 views1 answer
Creating rest api in serverless with python
Python
0 vote202 views1 answer
Wordcount pyspark
Python
26 votes204 views1 answer
Dict from two lists
Python
3 votes197 views2 answers
Char to binary python
Python
2 votes205 views1 answer
How to merge between two columns and make a new one in pandas dataframe
Python