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Hands-On Recommendation Systems with Python

You're reading from   Hands-On Recommendation Systems with Python Start building powerful and personalized, recommendation engines with Python

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Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781788993753
Length 146 pages
Edition 1st Edition
Languages
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Author (1):
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Rounak Banik Rounak Banik
Author Profile Icon Rounak Banik
Rounak Banik
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Toc

Evaluation metrics

In this section, we will take a look at a few metrics that will allow us to mathematically quantify the performance of our classifiers, regressors, and filters.

Accuracy

Accuracy is the most widely used metric to gauge the performance of a classification model. It is the ratio of the number of correct predictions to the total number of predictions made by the model:

Root mean square error

The Root Mean Square Error (or RMSE) is a metric widely used to gauge the performance of regressors...

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