n_scaled {COINr}

Scale a vector

Description

Scales a vector for normalisation using the method applied in the GII2020 for some indicators. This does x_scaled <- (x-l)/(u-l) * scale_factor. Note this is not the minmax transformation (see n_minmax()). This is a linear transformation with shift u and scaling factor u-l.

Usage

n_scaled(x, npara = c(0, 100), scale_factor = 100)

Arguments

x

A numeric vector

npara

Parameters as a vector c(l, u). See description.

scale_factor

Optional scaling factor to apply to the result. Default 100.

Details

This function also supports parameter specification in iMeta for the Normalise.coin() method. To do this, add columns scaled_lower, scaled_upper and scale_factor to the iMeta table, which specify the first and second elements of npara, respectively. Then set f_n_para = "use_iMeta" within the global_specs list. See also examples in the normalisation vignette.

Value

Scaled vector

Examples

x <- runif(20)
n_scaled(x, npara = c(1,10))