Dear Colleagues,
We wish to alert you about important updates to geomorph and RRPP. We have
submitted new package versions to CRAN (geomorph 4.0.8 and RRPP 2.0.3), which
are already available on Github. (It might take a few days before packages are
fully available on CRAN, so installing packages via Github is a good idea.)
These new package versions require R >= 4.4.0, which could mean that you will
need to update your version of R to install the packages. We also recommend
this because one of the package dependencies (Matrix) also requires R >= 4.4.0,
and we have found that an older version of this package can produce bad results
with some geomorph and RRPP functions, rather than errors. Therefore, we
recommend assuring that your package version of Matrix is 1.7.0, along with
updating R.
There are no functional changes associated with these updates. These updates
merely accommodate the R and Matrix updates, and improve computational
proficiency for RRPP analyses. There is one new function in the RRPP package
(QRforX), which is intended for internal use (to guarantee consistency despite
differences in QR decompositions made for dense and sparse model design
matrices). This should improve some analyses (especially using bilat.symmetry
or gm.measurement.error) by taking advantage of sparse-matrix algebra.
You can install new packages from Github with the devtools library via:
devtools::install_github("mlcollyer/RRPP", build_vignettes = TRUE)
devtools::install_github("geomorphR/geomorph", ref = "Stable", build_vignettes
= TRUE)
There might be some advantage to using the R package, pak, e.g.,
pak::pkg_install("mlcollyer/RRPP",...)
where ... means "other arguments". The pak library might be able to figure out
all other packages that need to be updated, whether from CRAN or Github
repositories. However, it might not automatically install vignettes.
Best wishes!
Dean and the geomorph Team
Dr. Dean C. Adams
Distinguished Professor of Evolutionary Biology
Department of Ecology, Evolution, and Organismal Biology
Iowa State University
https://faculty.sites.iastate.edu/dcadams/
phone: 515-294-3834
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