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An overview of Principal Component Analysis
How will it look?Variance is the expectation of the squared deviation of a random variable from its mean. Informally, it…
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I hope you chose the black line as it is closer to most of the data points (see figure below).…
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Continue ReadingBaffled by Covariance and Correlation??? Get the Math and the Application in Analytics for both the terms..
The values from PCA done using the correlation matrix are closer to each other and more uniform as compared to…
Continue ReadingThe Mathematics Behind Principal Component Analysis
The whole process of obtaining principle components from a raw dataset can be simplified in six parts :Take the whole dataset…
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