pr-rithwik

Algorithm	RMSE	MAE	R² Score	Training Time (s)	Status
KNN Item-based	0.467	0.160	0.789	12.11	Winner
EM Clustering	0.484	0.169	0.773	6.82	Strong Performer
KNN User-based	0.498	0.173	0.760	9.47	Competitive
Matrix Factorization (NMF)	0.499	0.174	0.760	16.60	Competitive
Matrix Factorization (SVD)	0.502	0.176	0.757	0.81	Fastest
Mean Imputation (Baseline)	0.524	0.186	0.734	0.18	Baseline

pr-rithwik

AI Knowledge Map

• 1. Core Concepts

  • Artificial Intelligence (AI)

    • Definition: Computer programs performing cognitive tasks.
    • AI User: Anyone leveraging AI for a personal or professional task.
    • Development Techniques: Rule-Based vs. Machine Learning.

  • Machine Learning (ML)

    • Definition: A subset of AI that learns from data.

• The AI Model (The Engine)