Variance of Input Data for ML - Python Automation and Machine Learning for ICs - - An Online Book - |
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Python Automation and Machine Learning for ICs http://www.globalsino.com/ICs/ | |||||||||||||||
Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix | |||||||||||||||
================================================================================= A formula, which can be used to calculate the variance ( ) of a set of values for i = 1, 2, … , , can be, where, is the number of data points. The variance is a measure of how spread out the values in a dataset are. It's the average of the squared differences from the mean. Figure 3716 shows the data distribution, KDE (kernel density estimation) and variance before and after normalization.
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