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DOEpro 2.0.1

Changes made in response to the CRAN review of version 2.0.0.

• Software names are quoted and the methods are referenced with their DOIs in the package description.
• \value is documented for the exported DESIGNS and TRANS objects.
• demo_data() no longer sets a random seed. The example datasets are now built from a stored vector of deviates, so they are identical on every machine and the user’s random number stream is left untouched.
• The plain-text report saves and restores the user’s graphical parameters with an immediate on.exit().

DOEpro 2.0.0

First public release.

• Analyses eleven designs: completely randomised, randomised complete block, Latin square, factorial CRD and RCBD (two to four factors), split-plot, strip-plot, and pooled (combined) analysis over environments for both a single treatment factor and factorial treatments.
• Chooses the correct error term for every comparison. A split plot reports its four distinct standard errors of a difference, the two mixed comparisons using a Satterthwaite-weighted t.
• Pooled analyses test each treatment effect against its own interaction with the environment, check the homogeneity of the error variances across environments (Bartlett), and break a significant environment by treatment interaction down environment by environment.
• Analyses several response variables at once, each with its own transformation.
• Screens the data against the assumptions and advises on a variance-stabilising transformation; nine transformations are available, with means reported back on the original scale.
• Grouping letters are shown only where the F-test is significant.
• Six post-hoc procedures: Fisher’s protected LSD, Bonferroni, Tukey HSD, Duncan, Student-Newman-Keuls and Scheffe.
• Produces a downloadable HTML report carrying the DOEpro citation.
• Runs in the browser at https://doepro.pages.dev with no installation.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.