[kepler-dev] [Bug 4010] RExpression2 - tracking for backwards compatibility

bugzilla-daemon at ecoinformatics.org bugzilla-daemon at ecoinformatics.org
Mon Jan 25 14:38:22 PST 2010


http://bugzilla.ecoinformatics.org/show_bug.cgi?id=4010

--- Comment #13 from ben leinfelder <leinfelder at nceas.ucsb.edu> 2010-01-25 14:38:21 PST ---
Stupid Responses (SRs):
SR1 - you can change the "environment.txt" file in the r module to reflect the
correct R_HOME value for your system. THe default values are:
R_HOME:Mac OS X=/Library/Frameworks/R.framework/Resources
R_HOME:Windows=C:\Program Files\R\R-2.9.0
R_HOME:linux=

I'd be cautious changing this with the RExpression2 actor since JRI is very
closely tied to the R version running on your system. You may quickly find a
version mismatch error (or, because of how Java->native libraries work, you may
just crash Kepler when you first run with RExpression2 and the JRI library is
built for a different version). Let us know what happens! and good luck!

SR2 - It's best to "Instantiate" the RExpression actor from the menu bar rather
than editing the actor on the canvas. I know you can hand edit the full class
name in the MOML file of your workflow and then open it in Kepler, but that is
a hassle and prone to typos. Use the menu option, definitely.

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