Design and Simulation R packages

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Laura Marshall

Jan 11, 2023, 10:17:43 AM1/11/23
Dear Distance Users,

As you likely know, we offer R packages for distance sampling survey
design and simulation, dssd and dsims respectively.  These are typically
available for download in R via the usual install.packages() function.
They get downloaded from a network of web sites, CRAN (Comprehensive R
Archive Network).  The purpose of this message is to let you know that
these two packages are temporarily only available from our development
repository (on a site called github).  You can install them using the devtools R library:

 install_github("DistanceDevelopment/dssd", build_vignettes = TRUE)
 install_github("DistanceDevelopment/dsims", build_vignettes = TRUE)

We are working to get them back on CRAN as soon as possible.

For those interested in the nitty gritty, here are more details.

Please be reassured that both dssd and dsims continued to pass all CRAN
checks on both current R, old R and development R for all standard
setups for windows, mac, M1 mac and the various linux platforms.

CRAN also runs checks on more unusual setups and has detected that dssd
may generate some shape related errors if you are using alternative
BLAS/LAPACK implementations for more efficient linear algebra
calculations. The machine they tested was using R-devel in an x86_64
Fedora 34 Linux environment. Please do get in touch if you have come
across this issue as we are currently trying to replicate the error.

Best wishes,

Dr. L Marshall

Distance Development Team

Centre for Research into Ecological & Environmental Modelling

University of St. Andrews

Tel: +44 (0)1334 461808

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