Author Archives: admin

R Packages available for CRMDA cluster members

To use R, here is a set of commands I run to set the environment. This is necessary every time I want to use Emacs and R. Lets call this the magic 5 line stanza, for sake of discussion. module … Continue reading

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Revolutions R in new acf cluster

The cluster runs on RedHat RHEL 6, which is too old to support the new versions of R. The principal weakness is the older gcc compiler in RHEL6. In the cluster, however, we have access to much newer Intel MKL … Continue reading

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Making sure fonts are embedded in LaTeX thesis and dissertation documents

KU thesis rules require that all fonts used in the submitted PDF document must be embedded in the document itself. This is required to eliminate the problem that special symbols are not legible in the document on the receiver's computer. … Continue reading

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ACF Cluster resource limits: home file space and file quota

User home folders are limited at 100GB and no customization is allowed. To our users who were previously limited to 20GB, that's great news. To the others who had 600GB allocations, that's disaster. Oh, well. Just one among many. When … Continue reading

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Interactive sessions on HPC

Danger: new smaller memory default! At the user meeting on April 12, we found out that requesting 1 core will automatically provide only 500MB of memory. This is a BIG change, because in older cluster we received 2GB per core … Continue reading

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Cluster user update

We will have a cluster update meeting on Friday at 10AM in Watson Room 440D (within the suite of the Digital Humanities group). Today the Center for Research Computing announced the re-opening of the compute cluster. A number of features … Continue reading

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Long-running Mplus Bootstrapping Example

In the high performance computing example archive, we've just inserted Example 05, a long-running multi-core Mplus exercise. https://gitlab.crmda.ku.edu/crmda/hpcexample/tree/master/Ex05-Mplus-1 This one demonstrates how I suggest we ought to keep the data, code files, and output files in separate folders, even if … Continue reading

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Do not let this happen to your survey project

Bring in your survey, let us take a look! Perhaps one of our GRAs can save you from this ignominious fate. We have open (free) walk-in consulting. Find out more on the Open Consulting Page

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Cluster Computing Updates

Hot off the press! Advanced Computing Facility Cluster news. In the past 2 months, several of user have noticed that some jobs they submit take a long long time to start. Some have noticed that the same job will fail … Continue reading

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kutils Package for R: New Updates Available

The KRAN server, an R repository hosted by the Center for Research Methods and Data analysis at the University of Kansas, offers packages being prepared for researchers that use R. A suite of tools for research project management, dubbed "kutils", … Continue reading

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