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FrF2 (version 2.1)

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

6,190

Version

2.1

License

GPL (>= 2)

Homepage

http://prof.beuth-hochschule.de/groemping/DoE/

Maintainer

Ulrike Groemping

Last Published

August 19th, 2019

Functions in FrF2 (2.1)

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

Bayesian posterior probabilities from Box and Meyer method

Main Effects and Interaction Plots

StructurePickers

Functions to find split-plot or left-adjusted designs

Normal or Half-Normal Effects Plots

CatalogueAccessors

Catalogue file and accessor functions

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

Clear interactions graph from catlg entry

Function to provide regular Fractional Factorial 2-level designs

Function to show potential block assignments

Function to support estimability requests for compromise designs

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

~~ Internal utility functions ~~

Cube plot for three-factor-effects

utilities.blocksplitplot.aliases.shortrep

Utility functions for short representation of block and splitplot generators

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

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

Alias structure for fractional factorial 2-level designs

Statistical and algorithmic aspects of blocking in FrF2

Function to create a foldover for 2-level fractional factorials

Functions in support of Godolphin's approach for blocking designs

Statistical and algorithmic aspects of split-plot designs in FrF2

Function to generate non-regular fractional factorial screening designs