Standardization of data

Possible Answers

• It makes it easier to understand the data structure by simply looking at it.
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• Without standardization, variables with a higher variance would have a larger impact on the extracted components.
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• It makes PCA computation faster because different variances of the variables slow down the computations.
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• It helps to check if every variable has been measured in the same measurement unit (e.g., cm vs. inch).
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