October 2018
Intermediate to advanced
172 pages
4h 6m
English
Content preview from Machine Learning with scikit-learn Quick Start Guide
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Mean absolute error
The mean absolute error is given by the following formula:
MAE formula
In the preceding formula, 
represents the true (or actual) value of the output, while the 
hat represents the predicted output values. Therefore, by computing the summation of the difference between the true value and the predicted value of the output for each row in your data, and then dividing it by the total number of observations, you get the mean value ...
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