Other packages > Find by keyword >

cgam  

Constrained Generalized Additive Model
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("cgam", "1.30")



Attach the package and use:
library("cgam")
Maintained by
Xiyue Liao
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2014-03-05
Latest Update: 2025-07-05
Description:
A constrained generalized additive model is fitted by the cgam routine. Given a set of predictors, each of which may have a shape or order restrictions, the maximum likelihood estimator for the constrained generalized additive model is found using an iteratively re-weighted cone projection algorithm. The ShapeSelect routine chooses a subset of predictor variables and describes the component relationships with the response. For each predictor, the user needs only specify a set of possible shape or order restrictions. A model selection method chooses the shapes and orderings of the relationships as well as the variables. The cone information criterion (CIC) is used to select the best combination of variables and shapes. A genetic algorithm may be used when the set of possible models is large. In addition, the cgam routine implements a two-dimensional isotonic regression using warped-plane splines without additivity assumptions. It can also fit a convex or concave regression surface with triangle splines without additivity assumptions. See Liao X, Meyer MC (2019) for more details.
How to cite:
Xiyue Liao (2014). cgam: Constrained Generalized Additive Model. R package version 1.30, https://cran.r-project.org/web/packages/cgam. Accessed 18 Sep. 2026.
Previous versions and publish date:
(2026-07-09 07:25), 1.0 (2014-03-05 18:14), 1.1 (2014-04-17 00:13), 1.2 (2014-09-10 21:48), 1.3 (2015-10-01 13:18), 1.4 (2016-04-15 00:43), 1.5 (2016-06-05 18:41), 1.6 (2016-11-02 19:52), 1.7 (2017-07-03 00:16), 1.8 (2017-10-02 09:08), 1.9 (2018-02-15 19:21), 1.10 (2018-04-11 19:42), 1.11 (2018-06-28 21:48), 1.12 (2018-11-08 20:00), 1.13 (2019-04-23 06:10), 1.14 (2019-05-01 19:30), 1.15 (2019-10-13 23:30), 1.16 (2020-09-29 08:40), 1.17 (2021-12-13 18:40), 1.18 (2022-07-18 17:50), 1.19 (2022-10-04 21:50), 1.20 (2022-11-16 13:11), 1.21 (2023-08-10 18:30), 1.22 (2025-02-17 21:00), 1.23 (2025-02-19 09:50), 1.24 (2025-04-11 06:50), 1.25 (2025-04-24 00:20), 1.26 (2025-04-28 12:00), 1.27 (2025-05-13 00:10), 1.28 (2025-07-05 23:00), 1.29 (2025-08-23 19:40), 1.30 (2026-01-16 10:10), 1.31 (2026-02-08 07:10)
Other packages that cited cgam R package
View cgam citation profile
Other R packages that cgam depends, imports, suggests or enhances
Complete documentation for cgam
Functions, R codes and Examples using the cgam R package
Some associated functions: COforest . Ord . ShapeSelect . best.fit . cgam . cgamm . conc . conv . cubic . decr.conc . decr.conv . decr . in.or.out . incr.conc . incr.conv . incr . mental . plasma . plotpersp . predict.cgam . s.conc.conc . s.conc . s.conv.conv . s.conv . s.decr.conc . s.decr.conv . s.decr.decr . s.decr.incr . s.decr . s.incr.conc . s.incr.conv . s.incr.decr . s.incr.incr . s.incr . s . shapes . tree . umbrella . 
Some associated R codes: cgam.R . cgamm.R .  Full cgam package functions and examples
Downloads during the last 30 days

Today's Hot Picks in Authors and Packages

r2resize  
In-Text Resize for Images, Tables and Fancy Resize Containers in 'shiny', 'rmarkdown' and 'quarto' Documents
Automatic resizing toolbar for containers, images and tables. Various resizable or expandable contai ...
Download / Learn more Package Citations See dependency  
downlit  
Syntax Highlighting and Automatic Linking
Syntax highlighting of R code, specifically designed for the needs of 'RMarkdown' packages like 'pk ...
Download / Learn more Package Citations See dependency  
data360r  
Wrapper for 'TCdata360' and 'Govdata360' API
Makes it easy to engage with the Application Program Interface (API) of the 'TCdata360' and 'Govdat ...
Download / Learn more Package Citations See dependency  
eyelinker  
Import ASC Files from EyeLink Eye Trackers
Imports plain-text ASC data files from EyeLink eye trackers into (relatively) tidy data frames for ...
Download / Learn more Package Citations See dependency  
injectoR  
R Dependency Injection
R dependency injection framework. Dependency injection allows a program design to follow the depend ...
Download / Learn more Package Citations See dependency  
hmeasure  
The H-Measure and Other Scalar Classification Performance Metrics
Classification performance metrics that are derived from the ROC curve of a classifier. The package ...
Download / Learn more Package Citations See dependency  

28,565

R Packages

239,283

Dependencies

75,677

Author Associations

28,566

Publication Badges

© Copyright since 2022. All right reserved, rpkg.net.  Based in Cambridge, Massachusetts, USA