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numpyでshapeが(データ数, 1)のデータを(データ数, )に変換する．

Python
numpy

Last updated at 2015-01-15Posted at 2015-01-15

機械学習のラベルデータによく利用する．
もっと速い書き方あるだろうなー

python

>>> import numpy as np
>>> y = np.array([[1], [1], [0], [1], [0]])
>>> y
array([[1],
       [1],
       [0],
       [1],
       [0]])
>>> z = np.array([x for x in y])
>>> z
array([1, 1, 0, 1, 0])

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