credit
    --> data by Hofmann (1994), adapted by Leonardo Ferreira (2016) and Susanne Dandl (2024)
		--> code by Susanne Dandl
regr_multi
    --> mtcars: data from the 1974 Motor Trend US magazine
    --> wine: data from Aeberhard and Forina (1991)
    --> code by Susanne Dandl
