Category Archives: Data Analysis

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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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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kutils update

kutils, our utility package that includes the Variable Key framework, was updated to version 1.0 on CRAN last week. Minor bug fixes will be offered in our package server KRAN, which users can access by running R code like this … Continue reading

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