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RongfengQiu

Rongfeng Qiu

Recently Published

USL Project 3 – Association Rules (Groceries) – Rongfeng Qiu (488004)
Market-basket analysis using Apriori on the Groceries transactions dataset. Includes rule filtering, redundancy removal, and sensitivity analysis for support/confidence thresholds.
USL Project 2 – Dimensionality Reduction (state.x77) – Rongfeng Qiu (488004)
Comparison of PCA, Classical MDS, and t-SNE on the state.x77 dataset. Includes neighborhood-preservation metric and interpretation by US region.
USL Project 1 – Clustering (Palmer Penguins) – Rongfeng Qiu (488004)
Unsupervised Learning course project. Clustering analysis using K-means, Hierarchical (Ward), Gaussian Mixture (Mclust), and DBSCAN with internal validation metrics.