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ShapeChange  

Change-Point Estimation using Shape-Restricted Splines
View on CRAN: Click here


Download and install ShapeChange package within the R console
Install from CRAN:
install.packages("ShapeChange")

Install from Github:
library("remotes")
install_github("cran/ShapeChange")

Install by package version:
library("remotes")
install_version("ShapeChange", "1.5")



Attach the package and use:
library("ShapeChange")
Maintained by
Xiyue Liao
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2015-10-07
Latest Update: 2023-09-06
Description:
In a scatterplot where the response variable is Gaussian, Poisson or binomial, we consider the case in which the mean function is smooth with a change-point, which is a mode, an inflection point or a jump point. The main routine estimates the mean curve and the change-point as well using shape-restricted B-splines. An optional subroutine delivering a bootstrap confidence interval for the change-point is incorporated in the main routine.
How to cite:
Xiyue Liao (2015). ShapeChange: Change-Point Estimation using Shape-Restricted Splines. R package version 1.5, https://cran.r-project.org/web/packages/ShapeChange. Accessed 29 Oct. 2026.
Previous versions and publish date:
(2026-07-09 08:25), 1.0 (2015-10-07 09:13), 1.1 (2015-11-15 10:08), 1.2 (2016-01-14 11:29), 1.3 (2016-03-20 16:38), 1.4 (2016-12-09 08:58)
Other packages that cited ShapeChange R package
View ShapeChange citation profile
Other R packages that ShapeChange depends, imports, suggests or enhances
Complete documentation for ShapeChange
Functions, R codes and Examples using the ShapeChange R package
Some associated functions: ShapeChange-package . changept . ip . jp . tp . 
Some associated R codes: ShapeChange.R .  Full ShapeChange package functions and examples
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