Apfel, N., & Liang, X. (2021). Agglomerative Hierarchical Clustering for Selecting Valid Instrumental Variables.
Chicago Style (17th ed.) CitationApfel, Nicolas, and Xiaoran Liang. Agglomerative Hierarchical Clustering for Selecting Valid Instrumental Variables. 2021.
MLA (9th ed.) CitationApfel, Nicolas, and Xiaoran Liang. Agglomerative Hierarchical Clustering for Selecting Valid Instrumental Variables. 2021.
Warning: These citations may not always be 100% accurate.