Author

Debraj Das

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Nov 2026

Bootstrapping LASSO estimators under variable selection consistency in high dimensions and some higher order refinements

We consider statistical inference based on the LASSO (cf. Tibshirani (J. Roy. Statist. Soc. Ser. B, Methodol. 58 (1996) 267–288)) in high dimensional regression problems. It is well known that the LASSO produces biased estimator of the regression parameter. The bias problem is further exacerbated when the LASSO has the...

Debraj Das, A. Chatterjee, S. Lahiri · Bernoulli · 0 citations

Preprint Aug 2026

Fast high-dimensional mean testing via logistic regression

This work proposes computationally efficient tests for equality of mean vectors of two or more high-dimensional populations by establishing an equivalence between equality of means and a zero population logistic regression parameter.

Sayan Das, Debraj Das, S. Dutta · 0 citations