Table 10 Holdout performance (Weeks...

Table 10

Holdout performance (Weeks 11–13): RandomForest (multi-output regression)

Target	MAE	RMSE	R²
Poster	8.11	9.36	0.49
Observer	19.39	20.94	−3.90
Non-Member	21.00	27.10	−51.46
OVERALL	16.17	20.50	−3.57

Target	MAE	RMSE	R²
Poster	8.11	9.36	0.49
Observer	19.39	20.94	−3.90
Non-Member	21.00	27.10	−51.46
OVERALL	16.17	20.50	−3.57

Sharing Unavailable