November 2017
Intermediate to advanced
374 pages
10h 19m
English
Content preview from scikit-learn Cookbook , Second Edition - Second Edition
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Indexing
- Look up the values of the two-dimensional arrays with indexing:
array_1[0,0] #Finds value in first row and first column.1
- View the first row:
array_1[0,:]array([1, 2])
- Then view the first column:
array_1[:,0]array([1, 3, 5, 7, 9])
- View specific values along both axes. Also view the second to the fourth rows:
array_1[2:5, :]array([[ 5, 6], [ 7, 8], [ 9, 10]])
- View the second to the fourth rows only along the first column:
array_1[2:5,0]array([5, 7, 9])
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.