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TORDs  

Third Order Rotatable Designs (TORDs)
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("TORDs", "1.0.0")



Attach the package and use:
library("TORDs")
Maintained by
Ashutosh Dalal
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2022-05-31
Latest Update: 2022-05-31
Description:
Third order response surface designs (M. Hemavathi, Shashi Shekhar, Eldho Varghese, Seema Jaggi, Bikas Sinha & Nripes Kumar Mandal (2022) <doi:10.1080/03610926.2021.1944213>."Theoretical developments in response surface designs: an informative review and further thoughts") are classified into two types viz., designs which are suitable for sequential experimentation and designs for non-sequential experimentation (M. Hemavathi, Eldho Varghese, Shashi Shekhar & Seema Jaggi (2022)<doi:10.1080/02664763.2020.1864817>." Sequential asymmetric third order rotatable designs (SATORDs)"). The sequential experimentation approach involves conducting the trials step by step whereas, in the non-sequential experimentation approach, the entire runs are executed in one go.This package contains functions named STORDs() and NSTORDs() for generating sequential/non-sequential TORDs given in Das, M. N., and V. L. Narasimham (1962). <doi:10.1214/aoms/1177704374>. "Construction of rotatable designs through balanced incomplete block designs" along with the randomized layout. It also contains another function named Pred3.var() for generating the variance of predicted response as well as the moment matrix based on a third order response surface model.
How to cite:
Ashutosh Dalal (2022). TORDs: Third Order Rotatable Designs (TORDs). R package version 1.0.0, https://cran.r-project.org/web/packages/TORDs. Accessed 05 Jun. 2026.
Previous versions and publish date:
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Other packages that cited TORDs R package
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Other R packages that TORDs depends, imports, suggests or enhances
Complete documentation for TORDs
Functions, R codes and Examples using the TORDs R package
Some associated functions: NSTORDs . Pred3.var . STORDs . frac13 . frac14 . frac15 . 
Some associated R codes: NSTORDs.R . Pred3.var.R . STORDs.R .  Full TORDs package functions and examples
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