inzynieria-uczenia-maszynowego/create-dataset/main.sh

#!/bin/bash

curl -o spambase.data https://archive.ics.uci.edu/ml/machine-learning-databases/spambase/spambase.data
sort -R spambase.data > spambase.data.shuf

if [[ "$CUTOFF" != "0" ]]; then
    let "train = $CUTOFF * 60 / 100"
    let "val = $CUTOFF * 80 / 100"
    let "test = $CUTOFF"
else
    let "train = $((wc -l < spambase.data.shuf)) * 60 / 100"
    let "val = $((wc -l < spambase.data.shuf)) * 80 / 100"
    let "test = $((wc -l < spambase.data.shuf))"
fi

head -n $train spambase.data.shuf > spambase.data.train
head -n $val spambase.data.shuf | tail -n $(($val - $train)) > spambase.data.val
head -n $test spambase.data.shuf | tail -n $(($test - $val)) > spambase.data.test

rm spambase.data spambase.data.shuf