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ガチソツケン たくさんਐ௙をग़せ！

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ͨ ͘ ͞ Μ σ ʔ λ ͕ ग़ Δ

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Ճ ޻ ɾ ౷ ܭ ϓ ϩ ά ϥϜ Λ ຖ ճ ॻ ͖ ͨ ͘ ͳ ͍

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ϑ Ν Πϧ ͷ ಡ Έ ࠐ Έ σ ʔ λ ͷ ύʔε ͳ Μͯ ઈ ର ʹ ॻ ͖ ͨ ͘ ͳ ͍

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ߦ ͝ ͱ ͷ ܭ ࢉ ↓ a w k

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$ awk '{print 2*$1+$2}' foo.dat

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૯ ࿨ ฏ ۉ ෼ ࢄ ૬ ؔ ෼ ෍ e t c .

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$ awk '{sum+=$1}END{print sum}' foo.dat

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$ awk '{sum1+=$1;sumSq1+=$1*$1;sum2+= $2;sumSq2+=$2*$2}END{print sum1/NR, sqrt((sumSq1-sum1*sum1/NR)/(NR-1)), sum2/NR,sqrt((sumSq2-sum2*sum2/NR)/ (NR-1))}' foo.dat

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a w k w a rd

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s u m $ 1

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$ npm install -g @susisu/est

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ߦ ͝ ͱ ͷ ܭ ࢉ + ྻ ͝ ͱ ͷ ܭ ࢉ ↓ e s t

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$ est 'sum $1' foo.dat

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$ est '2*$1+$2' foo.dat

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$ est -t '[avg $1,stddev $1, avg $2,stddev $2]' foo.dat

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■ ෳ਺ͷσʔλϑΝΠϧͷಡΈࠐΈ ■ ࣜͷ࠷దԽʢࣗಈϝϞԽʣ ■ JavaScript ʹΑΔػೳ֦ு

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໐ ͔ ͵ ͳ Β ࡞ ͬͯ ͠ · ͑ ΄ ͱ ͱ ͗ ͢ 2 0 1 6 ೥ 2 ݄ 7 ೔ ୈ 3 ճ O U C C LT ձ @ s u s i s u 2 4 1 3 ϝΧ

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ଟ ෼ ͜ Ε ͕ Ұ ൪ ૣ ͍ ͱ ࢥ ͍ · ͢ 2 0 1 6 ೥ 2 ݄ 7 ೔ ୈ 3 ճ O U C C LT ձ @ s u s i s u 2 4 1 3