Hybrid (Item k-NN and Decision Tree) Recommendation System in RapidMiner
Please help us We wanted to implement a Recommender System using hybrid approach (Item k-NN CF and Decision Tree;using gini index). The result should show the performane of its algorithm (RMSE, MAE, and NMAE).
We already established the recommender system but the result only shows the ranking prediction not its performance result. Btw the dataset we use is from MovieLens. Hope this problem will be solve. Thanks!