ium_434742/avocado-preprocessing.sh

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# zadanie 5
# pobranie zbioru danych
kaggle datasets download -d timmate/avocado-prices-2020
unzip -o avocado-prices-2020.zip
wc -l avocado-updated-2020.csv
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# przetwarzanie pliku
grep -P "^$" -n avocado-updated-2020.csv
# usuniecie zbednej kolumny year (redundantne dane)
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cut -d ',' -f12 --complement avocado-updated-2020.csv
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head -n 1 avocado-updated-2020.csv > header.csv
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head -n -1 avocado-updated-2020.csv | shuf > avocado-updated-2020-shuf.csv
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head -n "$1" avocado-updated-2020-shuf.csv > avocado-2020.csv
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wc -l avocado-2020.csv
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# podzial na train/dev/test
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head -n 6609 avocado-2020.csv > avocado-updated-2020-test.csv
head -n 13218 avocado-2020.csv | tail -n 6609 > avocado-updated-2020-dev.csv
tail -n +13219 avocado-2020.csv > avocado-updated-2020-train.csv
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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
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rm header.csv