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lmerTest 3.1-3 (October 2020)

• Update a test to accomodate lme4::anova reporting NA instead of 1 for p-value when df=0.
• No longer print message about missing cells with mean centered covariates for type III anova tables (issue #19)
• Fix step such that fixed effects are reduced even if all random effects are reduced away (issue #23).

lmerTest 3.1-2 (April 2020)

• Remove argument “…” to accomodate new version of lme4 (from version 1.1-22)
• Minor fix to tests to accomodate new version of lme4 (from version 1.1-22)

lmerTest 3.1-1

• Sofie P Jensen is taking over as maintainer replacing Per B Brockhoff.
• Fixing “noLD” CRAN issue (a check that ensures the package works on systems without long doubles). This was caused by an over sensitive test.

lmerTest 3.1-0

• Adding support for legacy model fits, i.e. merModLmerTest objects generated with lmerTest version < 3.0-0. This includes defining the merModLmerTest class and anova, summary, drop1, ls_means, lsmeansLT and difflsmeans methods. The usual lme4 methods also work with objects of class merModLmerTest.

lmerTest 3.0-1

• over-sensitive tests (failing on Solaris) have reduced tolerance
• sigma and sigma.merMod defined and exported for R <= 3.3.0
• Warn if Kenward-Roger is used with R <= 3.3.0 since it may give incorrect results
• Add lme4 (>= 1.1-10) and R (>= 3.2.5) to Depends (last available version where lmerTest checks out)
• pbkrtest package loaded conditional on availability in tests

lmerTest 3.0-0

• The new and completely re-written lmerTest package. Details of changes are available in pdf or html

lmerTest < 3.0-0

• Signficant news and changes for the 2.0-xx release series is provided below.

2.0-34

• included citation info for JSS

2.0-33

• lsmeans and difflsmeans are now deprecated functions. Changed the names to lsmeansLT and dlsmeansLT
• changed the maintainer field

2.0-32

• changed the message of identifiability to the more appropriate one

2.0-31

• removed lmerTestFunctions.R and restructured the package. added calcSatterth(model, L) for calculating Satterthwaite’s approximation for a specified L matrix

2.0-30

• envir.R failed with the newest version of lme4. Changed the code to pass the check. TODO: remove updating the model

2.0-28

• changes in general summary function. callNextMethod changed to as(model, “lmerMod)

2.0-25

• updated according to comments from CRAN

2.0-24 changes:

• cleaned the code

2.0-23 changes:

• hessian and grad changed to mygrad and myhess (deriv.R functions of Rune)
• plots use ggplot2
• look for previous changes in R-Forge

2.0-11 changes:

• elimRandEffs deleted. now the rand table contains all the information

2.0-9 changes:

• fixed.calc option is added to step function
• elimRand effs changed: random effects that are 1 approx to 1e-6 are eliminated
• las=2 in barplots: verical axis names contrast with the name “l” changed to “l.lmerTest.private.contrasts”

2.0-8 changes:

• throws error for lsmeans, difflsmeans, rand and step functions if the model does not inherit lmerMod class

2.0-7 changes:

• in utils calcSatterth changed: solve of 0 dim matrix now catches in tryCatch - example MAMex.R in tests is added to check the bug
• messages are printed if some computational errors occurr in anova or summary and the ones from lme4 are returned (bugSummary.R for testing)

2.0.6 changes:

• added a number of tests in the tests folder and inst/datasets for the testing data sets - will not be included in the R-forge nor CRAN (for a moment)
• model is not updated automatically to REML (tests for random effects are ML!)
• man functions updated

2.0.5 changes:

• fixed bug from Ben - summary(model, “lme4”) changed to summary(model, ddf=“lme4”)
• fixed bug for summary from Cyrus
• added in manual notes regarding random coefficient models simplification
• Rune changed solve to chol2inv in lmerTestFunctions.R
• changed updateModel function so that the bugs with the environmentgs are solved

2.0.4 new:

• rewritten rand table elimination
• added elimrand.R

Modifications in lmerTest 2.0.1

• The elim.num column now has KEEP instead of 0
• X’X deficiancy was fixed by Rune, lmerTest was fixed accordingly

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