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"Play machine learning with Python" KNN * Test

Source: Internet
Author: User
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Sample of the data provided in the machine learning in action, which is said to be the characteristics of each candidate on a dating site, and how much the current person likes them. A total of 1k data, the first 900 as a training sample, the last 100 as a test sample.

The data format is as follows:

468933.5629760.445386didntlike81783.2304821.331698smalldoses557833.6125481.551911didntlike11480.0000000.332365smalldoses1 00623.9312990.487577smalldoses7412414.7523421.155160didntlike6660310.2618871.628085didntlike118932.7872661.570402smalldos Es5090815.1123191.324132largedoses398915.1845530.223382largedoses659153.8683590.128078didntlike656783.5079650.028904didnt Like

The final test results, 100 test samples have 11 sample classification errors, the error rate is finally 11%.

"Play machine learning with Python" KNN * Test

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