Hi Dan, Ok, thanks. I will install R and try it out.
Thanks, Kurt Dan Higgins wrote: > Hi Kurt, > Yes, that workflow does require R. That is indicated by the 'R' > symbol in the lower left of the SummaryStatistics actor. [Clearly we > need a better error message!]. R is included with the installer > version of Kepler for Windows, but not for Linux or MacOS. You can > find a version of R to install for the Mac or Linux at > www.r-project.org. Just install it and the workflow should run (as > long as you can enter 'R' on a command line and start the R program). > > Dan Higgins - NCEAS > > Kurt Stockinger wrote: >> Hi, >> >> I seem to have problems with the workflow 00-StatisticalSummary in >> demos/getting-started. I always get a null pointer exception: >> >> java.lang.NullPointerException >> at org.ecoinformatics.seek.R.RExpression.fire(RExpression.java:474) >> at ptolemy.actor.AtomicActor.iterate(AtomicActor.java:337) >> at >> ptolemy.actor.sched.StaticSchedulingDirector.fire(StaticSchedulingDirector.java:170) >> >> >> at ptolemy.actor.CompositeActor.fire(CompositeActor.java:331) >> at ptolemy.actor.Manager.iterate(Manager.java:668) >> at ptolemy.actor.Manager.execute(Manager.java:327) >> at ptolemy.actor.Manager.run(Manager.java:1044) >> at ptolemy.actor.Manager$3.run(Manager.java:1085) >> >> I've download Kepler and tested it both on Linux and MacOS X. In both >> cases I get the same results. >> >> Does this workflow require R? >> >> Thanks, >> Kurt >> >> _______________________________________________ >> Kepler-users mailing list >> Kepler-users at ecoinformatics.org >> http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users >> >> > >
