decscale {dprep} | R Documentation |
This is a function to apply decimal scaling to a matrix or dataframe. Decimal scaling transforms the data into [-1,1] by finding k such that the absolute value of the maximum value of each attribute divided by 10^k is less than or equal to 1.
decscale(data)
data |
The dataset to be scaled |
Uses the scale function found in the R base package.
decdata |
The original matrix that has been scaled by decimal scaling |
Caroline Rodriguez and Edgar Acuna
data(sonar) def=par(mfrow=c(2,1)) plot(sonar[,2]) dssonar=decscale(sonar) plot(dssonar[,2]) par(def)