Ingénieur de fonctionnement
Ingénieur ci man-man mooy liggéey biy soppi done yu bees yi ñu nekk ay done yu am njariñ (man-man) yuy jàppale model bi mu jàng.
Résumé
In classic machine learning it is often the single biggest driver of accuracy, more than the choice of algorithm.
Plongeur bu xóot
Benn model mën na jàngee ludul ci li nga ko jox, te done yu bees yi bari wuñu luñuy am njariñ. Feature engineering daf koy soppali: dindi bis bi ci ayu-bis bi ci timestamp, xayma li kiliyaan bi jënd ci diggante bi, enkode kategori yi ni ay nimero, escaleer valeur yi ci benn rang buñ bokk, wala boole kolon yi ci ratios yi. Suñu ko defee bu baax, dafay wane motif yi algorithm bi soxla, kon model bu yomb ci man-mani yu mag dafay faral di raw model bu jafe ci done yu ñor. Dafay laaj itam nga am xam-xam ci domen bi, ndax xam ni, nu wax, 'jëflante ci simili bu nekk' dafay wane njuuj njaaj mooy liy sos man-man bu am doole. Risk bi gëna mag mooy fuite done, defar ci anam wu jaarul yoon benn man-man ci xibaar bu dul am ci waxtu prediction bi, loolu dafay yokk poñ yi ci test yi waaye du am njariñ ci liggéey bi. Jàngat bu xóot bi dafay otomatise yenn ci lii, waaye jafe-jafe yiñ defar/tablo dañu ciy wéy di aju bu baax.
Gis-gis xarala
Pexem yiñ gëna xam ñooy normalisasioŋ wala standardisasioŋ (nimero yuñ yamale suko defee benn man-man du ëpp doole), enkodaasu benn-hot wala target ngir variable kategorik, binning valeur yu wéy, ak sos interaction wala man-man agrégat. Benn xam-xam bu am solo mooy méngale coppite yi (lu melni moyenne scaler bi ak deviation standard bi) ci done yiñ tàggat rek, ba noppi jëfandikoo leen ci ensemble validation ak test. Xayma leen ci kaw done yépp dafay sacc ay leeral ba noppi jur ay resilta yu rafet lool te duñu mëna wéy ci jëfandikoo gi.
njeextalu pexe
dogal yu gëna leer
Daf lay jàppale nga tàqale kàddu yu leer ci wàllu xarala ak làkku fësal njaay.
Njëgg ak budget
Mën nga laaj laaj yu gëna baax ci samp gi balaa ngay dugal xaalis wala sa jotu liggéey.
Ekip ak def liggéey
Ekip yi bokk xam-xam ñoo gëna mëna jël yenn dogal ci wàllu produit, politik ak jàng.
Ëlëgu Ingénieur Feature
Jàngat bu xóot amna dindig man-mani otomatik ngir nataal, audio, ak mbind, fu reso yi di jàngee représentasioŋ yi ci ay dugal yu ñor. Waaye ci wàllu tablo ak done liggéeyukaay, maanaam done liggéeyukaay yu bari, ingenieur bu xalaat bu baax mooy gëna am solo. Barab bi mingi jëm ci otomatisation (AutoML, defar man-man otomatik) ak 'magasin man-man' yuñ mëna jëfandikoowaat ngir may ekip yi ñu séddoo man-man yu méngoo, yuñ natt bu baax ci model yépp. Xaarandil yeneen jumtukaay yuy digle man-man ak ay garde ci leakage, ci noonu la xam-xam ci domaine nit nekk lu am solo ci man-man yi gëna am solo.
Doxal ci àdduna dëgg
Gis njuuj njaaj: génne ay màndarga yu melni bariwaayu jëflante yi, diir bi ñu mujjee jënd, ak diggante bi nga nekk ak barab bi ngay faral di nekk.
Xalaatal laaj bi: génne bis yi ci ayu-bis bi, bandera fetu jeexantalu at yi, ak moyenne yuy rollu ci timestamp yu njaay yu bees yi.
Njortu leble: soppi jaar-jaar bu ñor ci ratios yu melni bor-ci-revenu ak lim payoor yu yeex yi.
Customer churn: boole liggéey yi ci man-man yu melni dugg ci weer wu nekk ak bis yi ginaaw bi ñu mujjee déggoo.
Risk yi ak balustrade yi
Ekip yu bari mën nañu jëfandikoo benn baat ci anam wu wuute, kon teela leeral yaatuwaayam.
Benchmark yi mën nañu nuru lu am doole waaye performance yi ci àdduna bi duñu tolloo.
Bëgg kalite done ak palaŋu jàngat dafay faral di jur njariñ yu yomba dagg.
Roadmap ngir samp gi
Tàmbaleel ci joxe leeral ci làkk wu leer ci njariñ li nga soxla.
Tannal benn metric bu baax ak benn anam bu baaxul balaa ngay saytu.
Doxal ab pilote bu ndaw ak ay done yu representatif, du ab demo bu leer.
Bindal fi Feature Engineering di jàppale ak fi pexe yu gëna yomba gëna baax.
Weyal di banneexu
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Gis bi ci topp
Pipelines Ingénieur yu am solo ak Versioŋu Done
Laaj yi ñuy faral di laaj
What is Feature Engineering?
Ingénieur ci man-man mooy liggéey biy soppi done yu bees yi ñu nekk ay done yu am njariñ (man-man) yuy jàppale model bi mu jàng. Ci njàngum masin bu yàgg bi, mooy dawalkat bi gëna mag ci njub, moo ëpp tànneefi algorithm.
Luy xam-xam xam-xam?
Ingénieur ci man-man mooy ñu defar ay dugal (man-man) ci done yu bees yi suko defee model bi mëna gis motif yu am njariñ.
Lan moo waral ñuy faral di wax ni ingenieur ci man-man lu am solo la ci jàngu masin bu yàgg bi?
Ci done yuñ yamale, man-man yiñ defar bu baax ñoo gëna am solo model biñ tànn, kon model bu yomb bu am man-man yu mag mën na am ndam.
Luy fuite de données ci wàllu ingenieur?
Leakage mooy ab man-man buy nëbb ay leeral yoo xamni doo ko am sooy wax luy am, di yokk poñ yi ci test yi waaye di lajj ci liggéey bi.
Sooy jëfandikoo màndarga yi (lu melni, yamale), fan nga wara xayma moyenn bi ak jaar-jaar bi?
Fi ñuy boole scaler bi ci done yiñ tàggat rek, ba noppi nga jëfandikoo ko feneen, dafay moytu fuit ba noppi di joxe xayma yu dëggu ci liggéey bi.
Ci yii, yan ci ñoom mooy pexem ingenieur yiñ gëna xam ci done yuñ xaaj?
Variables categorical dañu leen di faral di soppi def ay lim jaaraleko ci benn-hot wala encodage target suko defee model yi mëna leen jëfandikoo.