5 papers
A Duality of the F Distribution
Zifeng Zhang, Peng Ding, Wen Zhou +1
The F distribution arises naturally in linear regression or analysis of variance. Elementary textbooks state the result in terms of the standard normal random vector and fixed proj…
Regression Modeling of the Count Relational Data with Exchangeable Dependencies
Wenqin Du, Bailey K. Fosdick, Wen Zhou
Relational data characterized by directed edges with count measurements are common in social science. Most existing methods either assume the count edges are derived from continuou…
With random regressors, least squares inference is robust to correlated errors with unknown correlation structure
Zifeng Zhang, Peng Ding, Wen Zhou +1
Linear regression is arguably the most widely used statistical method. With fixed regressors and correlated errors, the conventional wisdom is to modify the variance-covariance est…
Multivariate Inference of Network Moments by Subsampling
Mingyu Qi, Chen-Wei Hua, Tianxi Li +1
Network moments--rescaled counts of motifs such as stars and triangles--are fundamental summaries of network structure, widely used in goodness-of-fit testing, model selection, and…
Optimal Nonparametric Inference on Network Effects with Dependent Edges
Wenqin Du, Yuan Zhang, Wen Zhou
Testing network effects in weighted directed networks is a foundational problem in econometrics, sociology, and psychology. Yet, the prevalent edge dependency poses a significant m…