0.1-2 (Feb 18, 2026) * Added routines to compute randomized quantile residuals for linear regression, ordinary least squares, lad regression, nonlinear least squares and ridge regression. * Routines for the computation of QQ-plots with simulated envelope were included. * Added the aircraft dataset introduced in Rousseeuw and Leroy (1987, pp. 154). 0.1-1 (May 03, 2025) * Added routines to compute leverages, Cook's distances and likelihood displacement for the nonlinear regression model fitted by nls function. 0.1 (Nov 02, 2023) * Initial release of india on CRAN.