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this is a feature column and transformer tools in pytorch, which is like the featureColumn class in Tensorflow

Project description

Feature Column in Pytorch


this is a feature column tool implemented by pytorch, which has the same function compared to featurecol class in Tensorflow.

And it's also a tool for me to paricipate in some data science competition.


from features import Features
from number_feat import Number
from category_feat import Category

from transformers.NumberTransformer import NumberTransformer
from transformers.CategoryTransformer import CategoryTransformer
import pandas as pd
import numpy as np
  • Example
def make_data():
    data = pd.DataFrame(np.random.randint(1, 20, size=(3,4)), columns=['col1', 'col2', 'col3', 'col4'])
    return data

if __name__ == "__main__":
    data = make_data()
    Number_1 = Number('col1', NumberTransformer())
    Category_1 = Category('col2', CategoryTransformer())
    Category_2 = Category('col3', CategoryTransformer())
    Features_1 = Features(number_feat=[Number_1], category_feat=[Category_2], sequence_feat=[])
    res = Features_1.transform(data)

Returned Data

# [<number_feat.Number object at 0x0000018903E64748>]
# OrderedDict([('col1', array([-1.4048787 ,  0.8429272 ,  0.56195146], dtype=float32)), ('col3', array([1, 1, 1], dtype=int64))])

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