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Exploratory Hour #92 - 条件に基づいて欠損値を埋めたい
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Takato Shiroto
October 27, 2020
Technology
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Exploratory Hour #92 - 条件に基づいて欠損値を埋めたい
2020/10/27(火)に開催したExploratory Hourのスライドです。
条件をもとに欠損値を埋める方法を紹介しています。
Takato Shiroto
October 27, 2020
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Transcript
EXPLORATORY 1
2 εϐʔΧʔ നށ ܟొ Customer Succes EXPLORATORY ུྺ େֶࡏֶதʹϑʔυϩεΛݮΒͨ͢ΊʹɺֶੜஂମΛ্ཱͪ͛දΛ ΊΔɻͦͷޙɺϏδωεΛΔͨΊʹԽֶϝʔΧʔͷσϡϙϯͱ
ϑʔυςοΫܥελʔτΞοϓͰӦۀͱϚʔέςΟϯάΛܦݧɻ ΞϓϦͷͷͨΊʹσʔλαΠΤϯε͕ඞཁͩͱײ͡ɺΞϓϦʹ ಛԽͨ͠ϢʔβʔͷߦಈੳπʔϧΛ։ൃ͢ΔاۀʹͯɺΞϓϦۀք ͷKPIੳͳͲΛ୲͢Δɻ ݱࡏExploratory, Inc. ͰΧελϚʔαΫηεΛ୲͢ΔΒɺσʔ λͷՄࢹԽͱ୳ࡧతσʔλੳΛઐͱͯ͠σʔλαΠΤϯεͷීٴ ʹऔΓΉɻ @ShirotoTakato
3 • ࣭͝zoomͷνϟοτʹ͝ߘ͍ͩ͘͞ɻ • ηϛφʔͷײʹཱͭใΛTwitterͰϋογϡλάΛ ͚ͭͯπΠʔτΛ͓ئ͍͠·͢ɻ #Exploratoryηϛφʔ Exploratory Hour
Exploratory Hour
ࠓिͷ࣭ • ܽଛΛಛఆͷͰຒΊ͍ͨ • ݅ʹج͍ͮͯܽଛΛຒΊ͍ͨ 5
ࠓिͷ࣭ • ܽଛΛಛఆͷͰຒΊ͍ͨ • ݅ʹج͍ͮͯܽଛΛຒΊ͍ͨ 6
7 จͷ༏ઌ(Order_Priority)ͷྻ͕͋Δɻ
8 จͷ༏ઌʹܽଛ<NA>ؚ͕·Ε͍ͯΔɻ
9 ಛผͳࣄ͕ͳ͍ݶΓɺจͷ༏ઌച্ͷେ͖͞Ͱܾ·͍ͬͯΔɻ Sales Order Priority 100Ҏ্ High 10Ҏ্ Middle 10ΑΓԼ
Low
10 จͷ༏ઌ(Order_Priority)ʹ͍͔ͭ͘ͷܽଛ<NA>͕͋Δɻ Customer_ID Sales Order_Priority A101 220 High A102 120
<NA> A103 50 Middle A104 20 <NA> A105 8 Low A106 6 <NA>
11 จͷ༏ઌ͕ܽଛ<NA>ͷ߹ɺSalesΛͱʹܽଛΛຒΊ͍ͨɻ Customer_ID Sales Order_Priority A101 220 High A102 120
<NA> A103 50 Middle A104 20 <NA> A105 8 Low A106 6 <NA> Customer_ID Sales Order_Priority A101 220 High A102 120 High A103 50 Middle A104 20 Middle A105 8 Low A106 6 Low
12 ྻϔομϝχϡʔͷܽଛΛૢ࡞͔ΒɺܽଛΛಛఆͷʹஔ͖͑ΔΛબ ͢Δɻ
13 ྫ͑ɺܽଛΛຒΊΔʹ”High”Λೖྗͨ͠ͱ͢Δɻ
14 ͢Δͱશͯͷܽଛ͕ʮHighʯʹஔ͖Θͬͯ͠·͏ɻ͜ͷํ๏Ͱ݅ʹج ͍ͮͯܽଛΛஔ͖͑Δ͜ͱ͕Ͱ͖ͳ͍ɻ
15 ྻϔομϝχϡʔ͔ΒΛஔ͖͑ΔΛબͼɺ݅ΛࢦఆΛબ͢Δɻ
16 ݅Λઃఆͯ͠ஔΛ͏ͱ͜ͷΛղܾͰ͖Δʂʂ
17 ࠓճͷ߹ͷ݅Ͳ͏ͨ͠ΒΑ͍͔ʁ
18 ࠓճͷ߹2ͭͷ͕݅ඞཁʹͳΔɻ จͷ༏ઌ͕ܽଛɹ͔ͭɹച্͕100Ҏ্ ྫ
19 จͷ༏ઌ͕ܽଛɹ͔ͭɹച্͕100Ҏ্ ྫ Sales >= 100
20 จͷ༏ઌ͕ܽଛɹ͔ͭɹച্͕100Ҏ্ ྫ ??
21 จͷ༏ઌ͕ܽଛɹ͔ͭɹച্͕100Ҏ্ ྫ is.na(Order_Priority)
22 จͷ༏ઌ͕ܽଛɹ͔ͭɹച্͕100Ҏ্ ྫ is.na(Order_Priority) & Sales >= 100
23 Լهͷ݅ࣜΛ͏͜ͱͰɺ݅ʹج͍ͮͯܽଛΛຒΊΔ͜ͱ͕Ͱ͖Δɻ จͷ༏ઌ͕ܽଛɹ͔ͭɹച্͕100Ҏ্ ྫ is.na(Order_Priority) & Sales >= 100
24 ྻϔομϝχϡʔ͔ΒΛஔ͖͑ΔΛબͼɺ݅ΛࢦఆΛબ͢Δɻ
25 ݅Λઃఆͯ͠ஔͷμΠΞϩά͕දࣔ͞ΕΔɻ
26 ݅ΛΫϦοΫͯ͠ΧελϜΛબ͢Δɻ
27 ܽଛ͔ͭച্͕100Ҏ্ͱ͍͏݅ࣜΛೖྗ͢Δɻ
28 ݅ʹܽଛ͔ͭച্͕100Ҏ্ͷ͕݅Ճ͞Εͨɻ
29 ৽͍͠ʹ”High”ͱೖྗ͢Δɻ
30 ܽଛ͔ͭച্͕100Ҏ্ͷ࣌ʹ”High”ͷΛฦ͕݅͢ઃఆ͞Εͨɻ
31 ϓϥεϘλϯΛΫϦοΫͯ͠৽͍݅͠Λ࡞͢Δɻ
32 ܽଛ͔ͭച্͕10Ҏ্ͱ͍͏݅ࣜΛೖྗ͢Δɻ
33 ݅ʹܽଛ͔ͭച্͕100Ҏ্ͷ͕݅Ճ͞Εͨɻ
34 ৽͍͠ʹ”Middle”ͱೖྗ͢Δɻ
35 ܽଛ͔ͭച্͕10Ҏ্ͷ࣌ʹ”Middle”ͷΛฦ͕݅͢ઃఆ͞Εͨɻ
36 ϓϥεϘλϯΛΫϦοΫͯ͠৽͍݅͠Λ࡞͢Δɻ
37 ܽଛ͔ͭച্͕10ΑΓԼͱ͍͏݅ࣜΛೖྗ͢Δɻ
38 ݅ʹܽଛ͔ͭച্͕10ΑΓԼͷ͕݅Ճ͞Εͨɻ
39 ৽͍͠ʹ”Low”ͱೖྗ͢Δɻ
40 ܽଛ͔ͭച্͕10ΑΓԼͷ࣌ʹ”Low”ͷΛฦ͕݅͢ઃఆ͞Εͨɻ
41 ઃఆͨ݅͠Ҏ֎(ܽଛͰͳ͍)߹ɺݱࡏͷྻͷΛฦ͍ͨ͠ɻ
42 ৽͍͠ʹྻ໊ͷOrder_PriorityΛೖྗ͢Δɻ
43 શͯͷ݅ͱ৽͍͠Λࢦఆ͢Δ͜ͱ͕Ͱ͖ͨɻ
44 ৽͘͠ྻΛ࡞ʹνΣοΫΛͯ͠ҙͷྻ໊Λೖྗ͢Δɻ
45 ܽଛΛ݅ʹج͍ͮͯຒΊΔ͜ͱ͕Ͱ͖ͨɻ
46 αϚϦɾϏϡʔͰΈͯܽଛ͕ͳ͍͜ͱ͕֬ೝͰ͖Δɻ
σʔλϥϯάϦϯάɾτϨʔχϯά 12݄։࠵ʂ EXPLORATORY
12݄ΦϯϥΠϯ։࠵ʂ ฏ൛: 12݄17(), 18(ۚ)
None
None
12݄ΦϯϥΠϯ։࠵ʂ ฏ൛: 12݄1(Ր), 2(ਫ), 3()
None
Q & A
Contact Email
[email protected]
Twitter Hashtag #ExploratoryHour ͰπΠʔτʂ Twitter @ExploratoryJp Exploratory
Hour https://bit.ly/30odd9q
EXPLORATORY