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2010 Nov 04
1
Best Fit line trouble with rsruby
...p1Conc)
graphData.assign('y', p1AbsorbanceArray)
fit = graphData.lm('x ~ y')
graphData.plot(concentration, absorbance)
graphData.abline(fit["coefficients"]["(Intercept)"],
fit["coefficients"]["y"])
puts fit["coefficients"]
graphData.eval_R("dev.off()")
(p1Conc and p1AbsorbanceArray are arrays)
This worked for the graph, but the best fit line looked (and the
infinitesimally small slope supported) like it was based off a single point.
The site said they had to define something in the R interpreter first, but
didn't elab...