Report summary

For Yale University Department of Biostatistics in 2015-2017, the graph shows 21 visible PIs and 20 internal PI collaborations. The dominant subject mix is Medicine as the leading field (29% of slots across 12 PIs; 12 labels), Molecular Biology as the leading subfield (15% of slots across 8 PIs; 8 labels), and Bioinformatics and Genomic Networks as the leading topic (5% of slots across 3 PIs; 3 labels). The network looks reasonably well-rounded, with visible collaboration groups but not so much concentration that one field explains the whole department. The top weighted PIs are Harlan M. Krumholz (38.4 weighted works; Acute Myocardial Infarction Research, Healthcare Policy and Management). The most visible ties are Erica S. Spatz and Harlan M. Krumholz (33 shared works, weight 14.6). The standout breakdown groups are group 1 with 9 PIs, 10 internal connections, weight 32, around Molecular Biology, Economics and Econometrics, Cardiology and Cardiovascular Medicine, led by Harlan M. Krumholz, Shuangge Ma, Hongyu Zhao.