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MixFrac  

Fractional Factorial Designs with Alias and Trend-Free Analysis
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("MixFrac", "1.0")



Attach the package and use:
library("MixFrac")
Maintained by
Sukanta Dash
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2025-12-12
Latest Update: 2025-12-12
Description:
Constructs mixed-level and regular fractional factorial designs using coordinate-exchange optimization and automatic generator search. Design quality is evaluated with J2 and balance (H-hat) criteria, alias structures are computed via correlation-based chaining, and deterministic trend-free run orders can be produced following Coster (1993) <doi:10.1214/aos/1176349410>. Mixed-level design construction follows the NONBPA approach of Pantoja-Pacheco et al. (2021) <doi:10.3390/math9131455>. Regular fraction identification follows Guo, Simpson and Pignatiello (2007) <doi:10.1080/00224065.2007.11917691>. Alias structure computation follows Rios-Lira et al.(2021) <doi:10.3390/math9233053>.
How to cite:
Sukanta Dash (2025). MixFrac: Fractional Factorial Designs with Alias and Trend-Free Analysis. R package version 1.0, https://cran.r-project.org/web/packages/MixFrac. Accessed 26 Aug. 2026.
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