October 2017
Beginner to intermediate
270 pages
7h
English
Content preview from Machine Learning for Developers
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Correlation
Remember when we described the process of normalization of a variable? We centered the variable by subtracting the mean and scaling it with the standard deviation of the dataset with the following formula:
Analytical form of the data normalization operation
This will be the starting point of our analysis, and we will be extending it towards each axis with the correlation value.
The correlation value determines the degree to which two or more random variables move in tandem. During the study of two variables, if it has been observed that the movement of one variable is concordant with an equivalent movement in another variable, ...
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