ium_434742/avocado-preprocessing.sh
patrycjalazna 0d1787fe23 cutoff
2021-03-28 17:11:30 +02:00

40 lines
1.4 KiB
Bash
Executable File

# zadanie 5
# pobranie zbioru danych
kaggle datasets download -d timmate/avocado-prices-2020
unzip -o avocado-prices-2020.zip
TOTAL_SIZE=$(wc -l avocado-updated-2020.csv | awk '{print $1}')
# przetwarzanie pliku
grep -P "^$" -n avocado-updated-2020.csv
# usuniecie zbednej kolumny year (redundantne dane)
cut -d ',' -f12 --complement avocado-updated-2020.csv
head -n 1 avocado-updated-2020.csv > header.csv
head -n -1 avocado-updated-2020.csv | shuf > avocado-updated-2020-shuf.csv
head -n "$1" avocado-updated-2020-shuf.csv > avocado-2020.csv
TRUNCATED_SIZE=$(wc -l avocado-2020.csv | awk '{print $1}')
declare -i test_size=0,2*$TRUNCATED_SIZE
declare -i dev_size=2*0,2*$TRUNCATED_SIZE
declare -i train_size=2*0,2*$TRUNCATED_SIZE+1
# podzial na train/dev/test 6/2/2
head -n $test_size avocado-2020.csv > avocado-updated-2020-test.csv
head -n $dev_size avocado-2020.csv | tail -n $TEST_SIZE > avocado-updated-2020-dev.csv
tail -n +$train_size avocado-2020.csv > avocado-updated-2020-train.csv
wc -l avocado-updated-2020-*.csv
cat header.csv avocado-updated-2020-test.csv > test.csv
cat header.csv avocado-updated-2020-dev.csv > dev.csv
cat header.csv avocado-updated-2020-train.csv > train.csv
# usuniecie pomocniczych plikow
rm avocado-updated-2020-test.csv
rm avocado-updated-2020-dev.csv
rm avocado-updated-2020-train.csv
rm avocado-updated-2020-shuf.csv
rm avocado-prices-2020.zip
rm header.csv