cubic
(Package: mixexp) :
Creates cubic terms for Scheffe' full cubic model (3)
Creates cubic terms that are used by the function MixModel when fitting model (3)
● Data Source:
CranContrib
● Keywords:
● Alias: cubic
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SLD
(Package: mixexp) :
This function creates simplex lattice mixture designs
This function creates simplex lattice designs in unconstrained mixture experiment space.
● Data Source:
CranContrib
● Keywords: datagen
● Alias: SLD
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Nrows
(Package: mixexp) :
Loads compiled fortran in shared file cnvrt and returns the number of rows in the resulting design
This function loads and runs the compiled fortran code cnvrt. cnvrt is Piepel's 1988 JQT fortran code for extreme vertices designs.
● Data Source:
CranContrib
● Keywords: interface
● Alias: Nrows
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Vertcen
(Package: mixexp) :
Loads compiled fortran in shared file cnvrt
This function loads and runs the compiled fortran code cnvrt. cnvrt is Piepel's 1988 JQT fortran code for extreme vertices designs.
● Data Source:
CranContrib
● Keywords: interface
● Alias: Vertcen
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ModelEff
(Package: mixexp) :
This function creates mixture effect plots
This function makes effect plots using the Cox or Piepel directions in constrained mixture space.
● Data Source:
CranContrib
● Keywords: hplot
● Alias: ModelEff
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MixModel
(Package: mixexp) :
Fit mixture and mixture process variable models.
This function fits mixture models (1)-(4) and mixture process models (5)-(6) described in Lawson and Willden(2015) "Mixture Experiments in R, using mixexp", Journal Statistical Software http://www/jstatsoft.org/, and prints the correct R square and standard errors of model coefficients.
● Data Source:
CranContrib
● Keywords: regression
● Alias: MixModel
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Fillv
(Package: mixexp) :
This function Creates interior points in an existing mixture design.
This function creates interior points in a mixture design by averaging all possible pairs of design points. It duplicates SAS macro adxfill.
● Data Source:
CranContrib
● Keywords: datagen
● Alias: Fillv
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SCD
(Package: mixexp) :
This function creates simplex centroid mixture designs
This function creates simplex centroid designs in unconstrained mixture experiment space.
● Data Source:
CranContrib
● Keywords: datagen
● Alias: SCD
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The mixexp package provides functions for creating mixture experiment designs in an unconstrained simplex or constrained mixture space. Functions are also provided for making ternary contour plots, pictures of constrained regions, design points, and mixture effect plots.
● Data Source:
CranContrib
● Keywords: package
● Alias: mixexp-package
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EffPlot
(Package: mixexp) :
This function creates mixture effect plots
This function makes effect plots using the Cox or Piepel directions in constrained mixture space.
● Data Source:
CranContrib
● Keywords: hplot
● Alias: EffPlot
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