44. 44
> print(rf_result)
Call:
randomForest(formula = freeny.y ., data = df, mtry =
1, ntree = 500, type = "regression")
Type of random forest: regression
Number of trees: 500
No. of variables tried at each split: 1
Mean of squared residuals: 0.0006837185
% Var explained: 99.3
実行結果
45. 45
> print(rf_result)
Call:
randomForest(formula = freeny.y ., data = df, mtry =
1, ntree = 500, type = "regression")
Type of random forest: regression
Number of trees: 500
No. of variables tried at each split: 1
Mean of squared residuals: 0.0006837185
% Var explained: 99.3
randomForestを読み解く
%Var exlpainedにより評価できる
100に近いほど、対象のことを説明できているモデル