7762aa93ff14073
http://nhiro.org.s3.amazonaws.com/9/0/90f3ca27b6db27411205b9698eba646c.jpg https://gyazo.com/90f3ca27b6db27411205b9698eba646c
(OCR text)
1層目は
弱い学習機でもよい
74
1層目でPoorでも2層目の改善に貢献する
> Interestingly some of our models scored very
poorly at 1st level. But contributed in 2nd level. ex.
Model 2 CV ~ 0.65, Model 5 CV ~ 0.55
Model2はLR、Model5はFM