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Rescaling (min-max normalization) in R
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| age <- c(0, 2, 3, 5, 7, 10) | |
| income <- c(0, 450, 900, 1200, 3000, 50000) | |
| scale <- function(val, min_, max_) {val - min_}/(max_ - min_) | |
| sapply(age, scale, min(age), max(age)) | |
| # Output: 0.0 0.2 0.3 0.5 0.7 1.0 | |
| sapply(income, scale, min(income), max(income)) | |
| # Output: 0.000 0.009 0.018 0.024 0.060 1.000 |
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