多分これが一番早いと思います

JavaScript でデータ加工・統計コマンドを書いた話
http://connpass.com/event/25197/

Transcript

1. ガチソツケン
   たくさんਐ௙をग़せ！
   

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3. ͨ ͘ ͞ Μ σ ʔ λ ͕ ग़ Δ
   

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4. Ճ ޻ ɾ ౷ ܭ ϓ ϩ ά ϥϜ Λ
   ຖ ճ ॻ ͖ ͨ ͘ ͳ ͍
   

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

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6. ߦ ͝ ͱ ͷ ܭ ࢉ
   ↓
   a w k
   

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

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8. ૯ ࿨
   ฏ ۉ
   ෼ ࢄ
   ૬ ؔ
   ෼ ෍
   e t c .
   

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

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10. $ 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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11. a w k w a rd
    

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13. s u m $ 1
    

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14. $ npm install -g @susisu/est
    

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15. ߦ ͝ ͱ ͷ ܭ ࢉ
    +
    ྻ ͝ ͱ ͷ ܭ ࢉ
    ↓
    e s t
    

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16. $ est 'sum $1' foo.dat
    

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

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

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19. ■ ෳ਺ͷσʔλϑΝΠϧͷಡΈࠐΈ
    ■ ࣜͷ࠷దԽʢࣗಈϝϞԽʣ
    ■ JavaScript ʹΑΔػೳ֦ு
    

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20. 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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21. 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
    

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