Diagnostics for linear L1 regression (also known as LAD - Least Absolute Deviations), including: estimation, confidence intervals, tests of hypotheses, measures of leverage, methods of diagnostics for L1 regression, special diagnostics graphs and measures of leverage. The algorithms are based in Dielman (2005) <doi:10.1080/0094965042000223680>, Elian et al. (2000) <doi:10.1080/03610920008832518> and Dodge (1997) <doi:10.1006/jmva.1997.1666>. This package builds on the 'quantreg' package, which is a well-established package for tuning quantile regression models. There are also tests to verify if the errors have a Laplace distribution based on the work of Puig and Stephens (2000) <doi:10.2307/1270952>.
Version: 1.0.0 Depends: R (≥ 3.5), quantreg (≥ 5.97), greekLetters (≥ 1.0.2) Imports: stats, methods, conquer, lawstat, MatrixModels, Matrix, MASS, cubature, doParallel, foreach Published: 2024-01-30 DOI: 10.32614/CRAN.package.diagL1 Author: Kevin Allan Sales Rodrigues [aut, cre], Silvia Nagib Elian [ctb, ths] Maintainer: Kevin Allan Sales Rodrigues <kevin.asr at outlook.com> License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] NeedsCompilation: no Citation: diagL1 citation info CRAN checks: diagL1 results Documentation: Downloads: Linking:Please use the canonical form https://CRAN.R-project.org/package=diagL1 to link to this page.
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