Author Archives: admin

R 3.5.1 and packages on cluster

In the KU HPC cluster, we now have a module for R-3.5.1 and there is a CRMDA module, Rstats, that will link together R with the collection of packages I maintain. The list of packages that were installed today is … Continue reading

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ACF Cluster changing to SLURM que manager November 7

In case you did not hear yet, the current scheduler, which was implemented February 2017, is being replaced by SLURM, on November 8. There will be a cluster shutdown Nov. 6- Nov 7 and after that the submission scripts that … Continue reading

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R Package Updates: Celebrating Independence Day

We had a couple of new package requests. I'm taking the occasion, as we approach the holiday celebrating American independence, to update the other R packages. There are still complications building newer rstan, I log in every month or so … Continue reading

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GRA positions open beginning Summer, 2018

We have 2 GRA positions for 2018-2019 available now. Please consider applying: http://crmda.ku.edu/gra

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stationery package for R in testing

The R package "stationery" offers themes and templates for 8 document types. It offers working examples of documents that use R markdown and LaTeX/Sweave and LaTeX/knitr to prepare guides, slides, and reports. The 8 document types are HTML webpages prepared … Continue reading

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Using too many files in your cluster account? What to do!

After the cluster restart yesterday, I got this message indicating I'm over the limit on the number of files allowed in a home account. Previously I was allowed 100,000, now it appears that is lowered to 85,000. Oh, well. The … Continue reading

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New update of kutils package for R available

I have uploaded kutils-1.31 on KRAN. To try it, fix your repositories like so: CRAN <- "http://rweb.crmda.ku.edu/cran" KRAN <- "http://rweb.crmda.ku.edu/kran" options(repos = c(KRAN, CRAN)) If you have kutils already, then fire away with an update: update.packages(ask = FALSE, checkBuilt = … Continue reading

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kutils package update: more powerful SEM table maker

I have uploaded kutils-1.25, a beta testing version on KRAN. If your computer is not set to automatically pull updates from KRAN already, run this: CRAN <- "http://rweb.crmda.ku.edu/cran" KRAN <- "http://rweb.crmda.ku.edu/kran" options(repos = c(KRAN, CRAN)) update.packages(ask = FALSE, checkBuilt = … Continue reading

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R modules: Super Exciting New Updates

This is revised Monday, July 24, 2017. Some of you have reported segmentation faults during the past week. We learned they come from 3 different problems. First, some people have R packages compiled in their user accounts. These fall out-of-date … Continue reading

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Rstats/3.3 and Rstats/3.4 updates: dealing with OpenMPI and Infiniband library concerns.

Dear CRMDA cluster users During the past 2 months, some of us have seen the MPI warning from parallel R programs: An MPI process has executed an operation involving a call to the "fork()" system call to create a child … Continue reading

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