Description Usage Arguments Examples
This function normalizes all the values to scale 10 ~
1 |
df |
agata dataframe with ertrag and durchsatz columns |
n |
Grid scale |
rename |
if rename is ture, then each column name will be appended with a surfix "_norm"~~ |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | ##---- Should be DIRECTLY executable !! ----
##-- ==> Define data, use random,
##-- or do help(data=index) for the standard data sets.
## The function is currently defined as
function (df, n = 10, rename = TRUE)
{
df_norm = df
df_max_ertrag <- max(df$ertrag, na.rm = TRUE)
df_min_ertrag <- min(df$ertrag, na.rm = TRUE)
df_norm$ertrag <- (df$ertrag - df_min_ertrag) * n/(df_max_ertrag -
df_min_ertrag)
df_max_durchsatz <- max(df$durchsatz, na.rm = TRUE)
df_min_durchsatz <- min(df$durchsatz, na.rm = TRUE)
df_norm$durchsatz <- (df$durchsatz - df_min_durchsatz) *
n/(df_max_durchsatz - df_min_durchsatz)
if (rename == TRUE)
colnames(df_norm) <- paste("norm", colnames(df_norm),
sep = "_")
return(df_norm)
}
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