siqr: An R Package for Single-Index Quantile Regression

Single-Index Quantile Regression is effective in some scenarios. We provides functions that allow users to fit Single-Index Quantile Regression model. It also provides functions to do prediction, estimate standard errors of the single-index coefficients via bootstrap, and visualize the estimated univariate function. Please see W., Y., Y. (2010) <doi:10.1016/j.jmva.2010.02.003> for details.

Version: 0.8.1
Depends: R (≥ 3.6.0)
Imports: stats, quantreg, KernSmooth
Published: 2021-12-14
Author: Tianhai Zu [cre], Yan Yu [aut]
Maintainer: Tianhai Zu <zuti at>
License: GPL-3
NeedsCompilation: no
Language: en-US
Materials: README NEWS
CRAN checks: siqr results


Reference manual: siqr.pdf


Package source: siqr_0.8.1.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): siqr_0.8.1.tgz, r-release (x86_64): siqr_0.8.1.tgz, r-oldrel: siqr_0.8.1.tgz
Old sources: siqr archive


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