7762aa93ff14011

http://nhiro.org.s3.amazonaws.com/6/d/6d3ec13b4ebbf0442709d033fbdebec9.jpg https://gyazo.com/6d3ec13b4ebbf0442709d033fbdebec9

(OCR text)

12

scoringオプション

cross_val_scoreはデフォルトでは正解率を返す

scoringオプションでlog lossなど色々なものを

選ぶことができる

def do_cross_validation ( )

make_model(O

cross_validation.StratifiedKFold (ys)

cross_validation.cross_val_score(

model, xs, ys, cv cv, scoring='log_loss')

print("LogLoss: %0.2f (+/- %0.2f)"

% (scores.mean(),

model =

CV

Scores

scores.std()

2))