Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
データサイエンスLT祭 のLTネタ
Search
tetsuroito
September 07, 2016
1.9k
0
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
データサイエンスLT祭 のLTネタ
Low Bias High VarianceとFilter Bubbleな私
tetsuroito
September 07, 2016
More Decks by tetsuroito
See All by tetsuroito
白金鉱業meetup発表資料
tetsuroito
1
410
Data Engineering Study#30 LT資料
tetsuroito
2
2.2k
データエンジニアリングの潮流を俯瞰する
tetsuroito
1
2k
Classiが取り組んできた 機械学習の試行錯誤
tetsuroito
0
910
事業会社でのデータマネジメントのプラクティス #TechMar
tetsuroito
1
720
Data Engineering Study #9 Classiのデータ組織の歩み
tetsuroito
5
6.4k
Data Engineering Study #3 基調講演_データ分析基盤の浸透に必要なこと
tetsuroito
4
5.3k
Subscription Meetup Vol.2 Opening Talk Slide
tetsuroito
0
190
Data_Pipeline_Casual_Talk_Vol.4_for_Ready.pdf
tetsuroito
0
1.8k
Featured
See All Featured
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
201
76k
Bioeconomy Workshop: Dr. Julius Ecuru, Opportunities for a Bioeconomy in West Africa
akademiya2063
PRO
1
340
BBQ
matthewcrist
89
10k
Technical Leadership for Architectural Decision Making
baasie
3
560
Bootstrapping a Software Product
garrettdimon
PRO
306
120k
My Coaching Mixtape
mlcsv
0
310
Building Better People: How to give real-time feedback that sticks.
wjessup
370
20k
We Have a Design System, Now What?
morganepeng
55
8.3k
Paper Plane
katiecoart
PRO
2
53k
The Organizational Zoo: Understanding Human Behavior Agility Through Metaphoric Constructive Conversations (based on the works of Arthur Shelley, Ph.D)
kimpetersen
PRO
0
440
A Modern Web Designer's Workflow
chriscoyier
698
190k
Build your cross-platform service in a week with App Engine
jlugia
234
19k
Transcript
Low Bias High Variance ͱFilter Bubbleͳࢲ Datascience LTࡇ @tetsuroito 2016/09/07ɹɹYahoo
Japan @Tokyo Middtown
ࣗݾհ ໊લɿҏ౻ ప (@tetsuroito) ࣄɿاըͱ͔ੳͱ͔ࡶ༻पΓ ϚΠϒʔϜɿᰤࢠ ҙؾࠐΈɿ͓ۚΛલʂ ͔͔ͤͬͩ͘Β͍͔ͭ͘એ͍ͨ͠
ZDNetͰϙΤϜॻ͍ͯ·͢
ZDNetͰϙΤϜॻ͍ͯ·͢ ΈΜͳͷγΣΞͯϒ͕ ࢲͷϞνϕʔγϣϯͰ͢ʂ
Tγϟπ࡞ͬͨ
Tγϟπ࡞ͬͨ པΉങ͍ͬͯͩ͘͞w https://steers.jp/c/whyareuusingsjis
ؓٳ
ຊͷΞδΣϯμ Low Bias High Varianceͳ Filter Bubbleͳ ͦͯ͠ࢲ
Low Bias High Varianceͳ σʔλղੳͷత →ݱͷഎܠʹ͋Δ͘͠Έͷಛఆ ɹۙࣅతʹସՄೳͳ౷ܭϞσϧͷߏங σʔλղੳͷ࣮ࡍ →ͨ·ͨ·ಘΒΕͨσʔλͷͯ·Γ ɹ౷ܭϞσϧͷෳࡶԽ
Ͳ͏ͯ͜͠͏ͳͬͯ͠·͏ͷ͔ ؍ଌσʔλ͕KPIͷηϯγςΟϏςΟ͕ߴ͍ KPIΛΉํͲΜͲΜաֶश͍ͯ͘͠ ࣮ͷݱͰ ͜ͷΑ͏ͳ౷ܭϞσϦϯά͕ࢍ͞ΕΔ
ྫ͑ɺ͜Μͳࢪࡦͷ۩߹ tظͷࢪࡦ ධՁ× ධՁ˓ ධՁ˚ t+1ظͷࢪࡦ ଧͪΓ ܧଓ ܧଓ New
ଧͪΓ ੜଘόΠΞε͕࣌ܥྻ૬্͕͍ؔͯͬͯ͘͠ t+2ظͷࢪࡦ
͏·͍ͬͨ͘ࢪࡦ… ޮ༻ۂઢͷݟ͔ΒɺঃʑʹޮՌ͕ബΕΔ ޮ༻ਫ४ ࣮ࢪճ ޮ༻ۂઢ ཧ্ɺࠨهͷΑ͏͕ͩɺ ͔͢͠Δͱ͖ϚΠφε͔
ฏۉճؼͷ᠘ ॳ͍όΠΞε ߴ͍όϦΞϯεͰ ࢪࡦΛ࣮ࢪ ϓϩηεΛܦΔʹͭΕͯɺ ͲΜͲΜฏۉʹऩଋ
γϛϡϨʔγϣϯ͕େࣄͰ͢Ͷ ϒʔτετϥοϓ๏ ϞϯςΧϧϩγϛϡϨʔγϣϯ ͳͲͷΠςϨʔγϣϯճΛ ճͯ͠ऩଋ͢ΔϞσϦϯά ͕ΩʔͱͳΔ͔
Filter Bubbleͳ ݟ͍ͨͷ͔͠Έͳ͘ͳΔΑ͏ʹͳΔ
όϦΞϯε όΠΞε ϑΟϧλʔόϒϧ
ใߑਫͷӔ ใͷऔࣺબඞࢸ
ωοτόΧʹֶͿ χίϥεɾΧʔᐌ͘ Googleͷݕࡧߦಈ͕ͷใुܥʹϑΟʔυόο ΫΛ༩͍͑ͯΔɻ ݕࡧˠ͑ͷڧԽֶश ҙྗ͕ࢄອʹͳΓɺਂ͍ࢥߟ͕Ͱ͖ͳ͘ͳΔ
εΫϥοϓ&Ϗϧυ͕ඞཁͩʂ ͜Ε·ͰͷܦݧΛյͯ͠ ৽͍͠ϞσϧΛߏங
తഁյͬͯ ͦ͏͍͏͜ͱʁ γϡϯϖʔλʔ͞Μ
でも、現実には難しい だって人間だもの てつろー
ͦΜͳ͜ͱΛߟ͑ͳ͕Β ʑͷੳاըͳͲΛ ߟ͍͑ͯ·͢ ົҊ͋Εڭ͑ͯԼ͍͞ʂ
ご静聴 ありがとうございました