November 2017
Intermediate to advanced
374 pages
10h 19m
English
Content preview from scikit-learn Cookbook , Second Edition - Second Edition
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How to do it...
- Before we walk through the metrics, let's take a look at the dataset:
%matplotlib inlineimport matplotlib.pyplot as plt f, ax = plt.subplots(figsize=(7, 5))colors = ['r', 'g', 'b']for i in range(3): p = blobs[ground_truth == i] ax.scatter(p[:,0], p[:,1], c=colors[i], label="Cluster {}".format(i))ax.set_title("Cluster With Ground Truth")ax.legend()
- In order to fit a k-means model, we'll create a KMeans object from the cluster module:
kmeans = cluster.KMeans(n_clusters=3)kmeans.fit(blobs)KMeans(algorithm='auto', copy_x=True, init='k-means++', max_iter=300, n_clusters=3, n_init=10, n_jobs=1, precompute_distances='auto', random_state=None, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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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.