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データサイエンスで宝くじ hack
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tototti
August 02, 2016
Research
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データサイエンスで宝くじ hack
2016/8/2に、Closedな勉強会で発表した時の資料です。
「最近学んだデータサイエンスを利用して、宝くじで一儲けできないかな?」と考えてみた結果です。
tototti
August 02, 2016
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Transcript
ๅ͘͡IBDL !UPUPUUJ σʔλαΠΤϯεͰ
ࣗݾհ w !UPUPUUJ w J04ΞϓϦ࡞ͬͯ·͢
ۙگ
૯ল౷ܭہͷແྉߨ࠲
σʔλαΠΤϯςΟετʹͳΓ·ͨ͠ ʁ
ֶΜͩ͜ͱΛཱ͍ͯͨ
ๅ͘͡IBDL
ๅ͘͡ w ී௨ͷๅ͘͡ w ൪߸ҹ͞Ε͍ͯΔɻ w ˠIBDLෆՄೳ w -050͘͡ w
൪߸ΛબΜͰങ͑Δɻ w ˠ)BDLՄೳ ͔
.*/*-050 w ʙ·Ͱͷࣈͷத͔ΒɺݸͷࣈΛબͿ w நͤΜࣈͱҰக͍ͯ͠Εɺબ
.*/*-050ͷظ ͨΓ݅ ֬ બֹۚ(ฏۉ) ظ 1 ਃࠐࣈ͕ຊࣈ5ݸͱશͯҰ கɻ 1
/ 169,911 10,046,800 59.13 2 ਃࠐࣈ5ݸͷ͏ͪ4ݸ͕ຊ ࣈʹҰக͠ɺͭΓ1ݸͷਃ ࠐࣈ͕ϘʔφεࣈͱҰ கɻ 5 / 169,911 144,300 4.25 3 ਃࠐࣈ5ݸͷ͏ͪ4ݸ͕ຊ ࣈʹҰகɻୠ͠2ͤΜ݅ Λআ͘ɻ 125 / 169,911 10,000 7.36 4 ਃࠐࣈ5ݸͷ͏ͪ3ݸ͕ຊ ࣈʹҰகɻ 3,250 / 169,911 1,000 19.13 ߹ܭ 89.86 ຕԁͳͷʹɺԁ͔͠ฦͬͯ͜ͳ͍൵͠Έʜ
rͤΜۚূථ๏ୈ lͤΜۚূථͷͤΜۚͷֹۚຢՁ֨ ͷ૯ֹɺͦͷൃച૯ֹͷޒׂʹ૬͢Δֹ Λ͑ͯ͜ͳΒͳ͍ɻz ͭ·Γɺ௨ৗๅ͘͡ͷظҎԼɻ
-050ͷબֹۚͷܾΊํ w બۚ༻ͷ༧ࢉΛɺબऀͰׂΔ w બऀ͕গͳ͍΄Ͳɺબֹ͕ۚଟ͍ w .*/*-050ͷ߹ɺ࠷େສԁ
.*/*-050 ઍສԁ ͨΓ݅ ֬ બֹۚ(ฏۉ) ظ 1 ਃࠐࣈ͕ຊࣈ5ݸͱશͯҰ கɻ
1 / 169,911 40,000,000 235.42 2 ਃࠐࣈ5ݸͷ͏ͪ4ݸ͕ຊ ࣈʹҰக͠ɺͭΓ1ݸͷਃ ࠐࣈ͕ϘʔφεࣈͱҰ கɻ 5 / 169,911 144,300 4.25 3 ਃࠐࣈ5ݸͷ͏ͪ4ݸ͕ຊ ࣈʹҰகɻୠ͠2ͤΜ݅ Λআ͘ɻ 125 / 169,911 10,000 7.36 4 ਃࠐࣈ5ݸͷ͏ͪ3ݸ͕ຊ ࣈʹҰகɻ 3,250 / 169,911 1,000 19.13 ߹ܭ 266.15 ຕԁͰɺԁͷϦλʔϯʜʂ
.*/*-050 ઍສԁ ͨΓ݅ ֬ બֹۚ(ฏۉ) ظ 1 ਃࠐࣈ͕ຊࣈ5ݸͱશͯҰ கɻ
1 / 169,911 30,000,000 176.56 2 ਃࠐࣈ5ݸͷ͏ͪ4ݸ͕ຊ ࣈʹҰக͠ɺͭΓ1ݸͷਃ ࠐࣈ͕ϘʔφεࣈͱҰ கɻ 5 / 169,911 144,300 4.25 3 ਃࠐࣈ5ݸͷ͏ͪ4ݸ͕ຊ ࣈʹҰகɻୠ͠2ͤΜ݅ Λআ͘ɻ 125 / 169,911 10,000 7.36 4 ਃࠐࣈ5ݸͷ͏ͪ3ݸ͕ຊ ࣈʹҰகɻ 3,250 / 169,911 1,000 19.13 ߹ܭ 207.29 ສԁͰɺظϓϥεɻ
.*/*-050 ೋઍສԁ ͨΓ݅ ֬ બֹۚ(ฏۉ) ظ 1 ਃࠐࣈ͕ຊࣈ5ݸͱશͯҰ கɻ
1 / 169,911 20,000,000 117.71 2 ਃࠐࣈ5ݸͷ͏ͪ4ݸ͕ຊ ࣈʹҰக͠ɺͭΓ1ݸͷਃ ࠐࣈ͕ϘʔφεࣈͱҰ கɻ 5 / 169,911 144,300 4.25 3 ਃࠐࣈ5ݸͷ͏ͪ4ݸ͕ຊ ࣈʹҰகɻୠ͠2ͤΜ݅ Λআ͘ɻ 125 / 169,911 10,000 7.36 4 ਃࠐࣈ5ݸͷ͏ͪ3ݸ͕ຊ ࣈʹҰகɻ 3,250 / 169,911 1,000 19.13 ߹ܭ 148.44 ສԁͩͱɺظϚΠφεɻ
ͭ·Γʜ w ߪೖऀ͕ଟ͍ɺ୭͕ങ͏Α͏ͳ બֹ͕ۚ গͳ͍ ߹ͤΛߪೖ͢Δͱɺ࣮֬ʹଛΛ͢Δ w ߪೖऀ͕গͳ͍ બֹ͕ۚଟ͍ ߹ͤΛങ͏
͜ͱͰɺऩࢧΛϓϥεʹग़དྷΔՄೳੑ͕͋Δɻ
աڈͷબֹۚ ສҎ্ଘࡏ͍ͯ͠Δɻ
աڈͷબֹۚ ສҎ্͕ଘࡏʜ ֹۚ ʙ ສʙ ສʙ ສʙ
ສʙ ສʙ ສʙ ສʙ ສ ׂ߹
΅͘ͷ͔Μ͕͑ͨ ͍͖͞ΐ͏ͷઓུ w .*/*-050ͷ߹ͤ ͷ͏ͪɺظ ͕ϓϥεͷͷΛʰશͯʱങ͏ w ͕ສԁҎ্ͱͳΔ߹ͤͷΈߪೖ
w શମͷ ௨Γສԁ ͕ࣗങ͏બ͕ۚԼ͕ΔͷͰɺϚʔδϯऔͬͯ·͢
΅͘ͷ͔Μ͕͑ͨ ͍͖͞ΐ͏ͷઓུ w ظ͕ϓϥεͷ͘͡Λങ͍ଓ͚Δ w ظ͕ϓϥεͰ͋Εɺࢼߦճ͕ଟ͍΄ Ͳϓϥεʹऩଋ͍ͯ͘͠ w ສԁߪೖΛؒ ճ
ଓ͚Εɺ ˋͰ͕ͨΔˠऩࢧ͕ʴʹͳΔ ͷ͘͡ΛճҾ͍ͨ࣌ɺճҎ্ͨΔ֬㲈 F
બֹۚ༧ଌ
εΫϨΠϐϯά w աڈͷ.*/*-050ͷ݁ՌΛεΫϨΠϐϯάͰऔಘɻ w $ISPNFͷϓϥάΠϯͱ͔Λ͍·ͨ͠ɻ ճͷσʔλΛऩू͠ɺ$47ʹ͠·ͨ͠ɻ
աڈͷສԁύλʔϯ w w
w w w w ͳΜ͔ɺ ͋ͨΓ͕ո͍͠ʜ
ॏճؼੳ w ॏճؼੳʢ͡Ύ͏͔͍͖ͿΜ͖ͤʣɺଟม ྔղੳͷҰͭɻճؼੳʹ͓͍ͯಠཱม͕ͭ Ҏ্ʢ࣍ݩҎ্ʣͷͷɻ<8JLJQFEJB> ͬͱྑ͍ख๏͕͋Γͦ͏ͳؾ͕͠·͢ʜ
ࣜ • y = a1ɾx1 + a2ɾx2 + … anɾxn
+ b w ैଐมZ w બऀͷׂ߹ w આ໌มY w ʙͷͲͷࣈ͕બ͞Ε͔ͨʁ w ࿈ଓࣈ͕બ͞Ε͔ͨʁ
w 3ݴޠʢ͋ʔΔ͛Μ͝ʣΦʔϓϯιʔεɾϑϦʔ ιϑτΣΞͷ౷ܭղੳ͚ͷϓϩάϥϛϯά ݴޠٴͼͦͷ։ൃ࣮ߦڥͰ͋Δɻ 8JLJQFEJB &YDFMͰग़དྷΔΜͰ͕͢ɺIBDLײΛग़͍ͨ͠ͷͰʜ
demo
݁Ռੳ֤ࣈͷਓؾ ෆਓؾͳͷ ͋ͨΓ
݁Ռੳͦͷଞ w ࿈ଓͨ͠ࣈ ͱ͔ ͕ೖ͍ͬͯΔͱɺ બ্͕͕ۚΔ w ࿈ଓݸ·Ͱͦ͏͕ͩɺ࿈ଓݸҎ্ʁ
w Ұͭඈ͠ ͱ͔ ΄΅ಉ͡ ࿈ଓݸҎ্σʔλ͕গͳ͍Өڹ͋Γʜɻ
݁Ռݕূ w NJOJMPUPୈճ w ɹɹɹɹ ԁ w ݁Ռ༧ଌʜ w
ສԁ w ສԁ ສʙສͷൣғͱ༧ଌग़དྷͯΔʜ
݁Ռੳ w ༧͕ͨΔ߹͋Δ w ͔͠͠೦ͳ͕Βɺ༧ਫ਼͍ w BEKVTUFE3ͷ͕ˠྑ͍༧ଌͱ͍͑ ͳ͍ w આ໌มͷՃ͕ඞཁͱࢥΘΕΔ
·ͱΊ w ๅ͘͡ ˞ݱ࣮ੑͱ͔͘ IBDLՄೳ w ˞ͨͩ͠ɺϩτ͘͡ʹݶΔ w ˞ͨͩ͠ɺબۚΛ༧ଌͰ͖Δ߹ʹݶΔ w
˞ͨͩ͠ɺଞͷߪೖऀ͕ಉ͡ख๏ΛΘͳ͍ ߹ w ˞ͨͩ͠ɺڊֹͷࢿۚΛࣦͬͯྑ͍߹
ࠓޙͷ՝ w બۚ༧ଌਫ਼ͷ্ w .BDIJOF-FBSOJOHͱ͔ͰͰ͖ͳ͍ͷ͔ʜ w ͬͱ౷ܭͷֶश͕ඞཁʜ w બֹۚ༧ΞϓϦͱ͔࡞ͬͯΈ͍ͨ