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FrF2 (version 2.3-3)

Fractional Factorial Designs with 2-Level Factors

Description

Regular and non-regular Fractional Factorial 2-level designs can be created. Furthermore, analysis tools for Fractional Factorial designs with 2-level factors are offered (main effects and interaction plots for all factors simultaneously, cube plot for looking at the simultaneous effects of three factors, full or half normal plot, alias structure in a more readable format than with the built-in function alias).

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Version

Install

install.packages('FrF2')

Monthly Downloads

8,382

Version

2.3-3

License

GPL (>= 2)

Homepage

https://prof.bht-berlin.de/groemping/DoE/

Maintainer

Ulrike Groemping

Last Published

September 20th, 2023

Functions in FrF2 (2.3-3)

CatalogueAccessors

Catalogue file and accessor functions

Main Effects and Interaction Plots

StructurePickers

Functions to find split-plot or left-adjusted designs

Normal or Half-Normal Effects Plots

Function to provide large (at least 8192 runs) regular Fractional Factorial designs that are not necessarily optimal, especially large resolution V designs.

Fractional Factorial designs with 2-level factors

Function to provide regular Fractional Factorial 2-level designs

Bayesian posterior probabilities from Box and Meyer method

Clear interactions graph from catlg entry

Function to add center points to a 2-level fractional factorial

Alias structure for fractional factorial 2-level designs

Function to support estimability requests for compromise designs

Statistical and algorithmic aspects of blocking in FrF2

Function to show potential block assignments

Cube plot for three-factor-effects

Function for creating a class catlg catalogue from a vector of generators

Function to generate non-regular fractional factorial screening designs

Statistical and algorithmic aspects of requesting 2-factor interactions to be estimable in FrF2

Functions in support of Godolphin's approach for blocking designs

Function to create a foldover for 2-level fractional factorials

~~ Internal utility functions for generating regular fractional factorials ~~

~~ Internal utility functions and a user-visible constant for working with regular fractional factorials ~~

~~ Internal utility functions ~~

Statistical and algorithmic aspects of split-plot designs in FrF2

utilities.blocksplitplot.aliases.shortrep

Utility functions for short representation of block and splitplot generators