npreg

CRAN incoming feasibility

Maintainer: ‘Nathaniel E. Helwig <helwig@umn.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = c("Nathaniel", "E."),
                    family = "Helwig",
                    role = c("aut", "cre"),
                    email = "helwig@umn.edu")
as necessary.

examples

Running examples in ‘npreg-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: smooth.influence.measures
> ### Title: Nonparametric Regression Deletion Diagnostics
> ### Aliases: smooth.influence.measures rstandard.ss rstandard.sm
> ###   rstandard.gsm rstudent.ss rstudent.sm rstudent.gsm dfbeta.ss
> ###   dfbeta.sm dfbeta.gsm dfbetas.ss dfbetas.sm dfbetas.gsm cov.ratio
> ###   cooks.distance.ss cooks.distance.sm cooks.distance.gsm hatvalues.ss
> ###   hatvalues.sm hatvalues.gsm
> 
> ### ** Examples
> 
> # generate data
> set.seed(1)
> n <- 100
> x <- seq(0, 1, length.out = n)
> fx <- 2 + 3 * x + sin(2 * pi * x)
> y <- fx + rnorm(n, sd = 0.5)
> 
> # fit models
> mod.ss <- ss(x, y, nknots = 10)
> mod.sm <- sm(y ~ x, knots = 10)
> mod.gsm <- gsm(y ~ x, knots = 10)
> 
> # calculate influence
> infl.ss <- smooth.influence.measures(mod.ss)
Error in UseMethod("dffits") : 
  no applicable method for 'dffits' applied to an object of class "ss"
Calls: smooth.influence.measures -> cbind -> dffits
Execution halted

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