Yang Feng, Jingyi Jessica Li, Xin Tong, and Ye Tian

c(person("Yang", "Feng", email = "yangfengstat@gmail.com",
role = c("aut", "cre")),person("Jessica", "Li",
role = c("aut")),person("Xin", "Tong",
role = c("aut")),person("Ye", "Tian", role=c("ctb")))
Yang Feng [aut, cre],
Jessica Li [aut],
Xin Tong [aut],
Ye Tian [ctb]

Nonparametric Rotations for Sphere-Sphere Regression
c(
person(c("Charles","C."), "Taylor", email = "charles@maths.leeds.ac.uk",
role = c("aut")),
person("Giovanni", "Lafratta", email = "giovanni.lafratta@unich.it",
role = c("aut", "cre")),
person("Stefania", "Fensore", email = "stefania.fensore@unich.it",
role = c("aut")))
Fits sphere-sphere regression models by estimating locally weighted rotations.
Simulation of sphere-sphere data according to non-rigid rotation models.
Provides methods for bias reduction applying iterative
procedures within a Newton-Raphson learning scheme.
Cross-validation is exploited to select smoothing parameters.
See Marco Di Marzio, Agnese Panzera & Charles C. Taylor (2018)
<doi:10.1080/01621459.2017.1421542>.
Charles C. Taylor [aut],
Giovanni Lafratta [aut, cre],
Stefania Fensore [aut]

Fits sphere-sphere regression models by estimating locally weighted
rotations. Simulation of sphere-sphere data according to non-rigid rotation
models. Provides methods for bias reduction applying iterative procedures
within a Newton-Raphson learning scheme. Cross-validation is exploited to select
smoothing parameters. See Marco Di Marzio, Agnese Panzera & Charles C. Taylor
(2018) <doi:10.1080/01621459.2017.1421542>.

Nonparametric and sparse quantile regression methods

R (>= 1.7), quantreg, SparseM, tripack, akima

R (>= 1.7), quantreg, SparseM, tripack, akima, rgl

Nonparametric Quantile Regression -- Defunct

Nonparametric and Stochastic Efficiency and Productivity
Analysis
Oleg Badunenko [aut, cre],
Yaryna Kolomiytseva [aut],
Pavlo Mozharovskyi [aut]
Provides a variety of tools for nonparametric and parametric efficiency measurement.

Oleg Badunenko [aut, cre],
Pavlo Mozharovskyi [aut],
Yaryna Kolomiytseva [aut]