Normalization, Standardization and Rescaling
This is copy/paste of an interesting FAQ from faqs.org, I really loved reading the article and thought of reposting the same in a better formatted manner for readability.
Courtsey: ftp://ftp.sas.com/pub/neural/FAQ.html
First, some definitions Rescaling “Rescaling” a vector means to add or subtract a constant and then multiply or divide by a constant, as you would do to change the units of measurement of the data.
For example, to convert a temperature from Celsius to Fahrenheit.
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