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
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
tetsuroito
September 07, 2016
0
1.9k
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
Tweet
Share
More Decks by tetsuroito
See All by tetsuroito
Data Engineering Study#30 LT資料
tetsuroito
2
1.7k
データエンジニアリングの潮流を俯瞰する
tetsuroito
1
1.9k
Classiが取り組んできた 機械学習の試行錯誤
tetsuroito
0
880
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
690
Data Engineering Study #9 Classiのデータ組織の歩み
tetsuroito
5
6.1k
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
5.1k
Subscription Meetup Vol.2 Opening Talk Slide
tetsuroito
0
160
Data_Pipeline_Casual_Talk_Vol.4_for_Ready.pdf
tetsuroito
0
1.7k
Data Pipeline Casual Talk Vol.3 for Ready #DPCT
tetsuroito
0
2.1k
Featured
See All Featured
A Guide to Academic Writing Using Generative AI - A Workshop
ks91
PRO
0
210
Building AI with AI
inesmontani
PRO
1
700
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
659
61k
Intergalactic Javascript Robots from Outer Space
tanoku
273
27k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
12
1k
sira's awesome portfolio website redesign presentation
elsirapls
0
150
Building an army of robots
kneath
306
46k
VelocityConf: Rendering Performance Case Studies
addyosmani
333
24k
svc-hook: hooking system calls on ARM64 by binary rewriting
retrage
1
100
The Straight Up "How To Draw Better" Workshop
denniskardys
239
140k
How to make the Groovebox
asonas
2
1.9k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
196
71k
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