A Companion Package to the Book "U-Statistics, M-Estimation and Resampling" R package UStatBookABSC version 1.0.0 A set of functions leading to multivariate response L1 regression. This includes functions on computing Euclidean inner products and norms, weighted least squares estimates on multivariate responses, function to compute fitted values and residuals. This package is a companion to the book "U-Statistics, M-estimation and Resampling", by Arup Bose and Snigdhansu Chatterjee, to appear in 2017 as part of the "Texts and Readings in Mathematics" (TRIM) series of Hindustan Book Agency and Springer-Verlag. Software Depends: R (>= 3.2.3) Suggests: MASS Snigdhansu Chatterjee <chatt019@umn.edu> Comprehensive R Archive Network (CRAN) Snigdhansu Chatterjee <chatt019@umn.edu> GPL-3 2016-12-27 application/tgz https://CRAN.R-project.org/package=UStatBookABSC doi:10.32614/CRAN.package.UStatBookABSC