Hello,
I'm using WinXP, R-2.8.1, and rpy-2.0.3. The plot is being written
directly to the screen. Thanks for the help.
Cheers,
Donovan
On Mon, Jun 29, 2009 at 6:46 PM, laurent<lgaut...@gmail.com> wrote:
> You may have to tell us more about your local specifics (software
> version(s) for example).
>
> It appears to be working here on a linux laptop with R-2.9.0 and
> rpy2-2.1-dev (and I don't think of much in the recent changes that would
> change the way abline is displayed).
>
> Do you plot to an interactive display device or into a file ?
>
> L.
>
>
>
> On Mon, 2009-06-29 at 15:45 -0300, Donovan Parks wrote:
>> Hello,
>>
>> I've encoured some difficulty with using RPy to generate a plot
>> showing the results of a linear regression. My code is as follows:
>>
>> r = robjects.r
>> xVec = robjects.FloatVector(X)
>> yVec = robjects.FloatVector(Y)
>> robjects.globalEnv["xVec"] = xVec
>> robjects.globalEnv["yVec"] = yVec
>> reg = r.lm("xVec ~ yVec")
>>
>> print(r.summary(reg))
>> r.plot(xVec, yVec, xlab="Northing", ylab="Normalized Unique Sequences")
>> r.abline(reg, lty=1)
>>
>> This all works except the last line. My resulting plot shows my data
>> points, but not the regression line. Has anyone encountered this
>> problem before? Thanks for any and all help. I'm new to RPy\R so
>> perhaps am missing something simple here.
>>
>> Cheers,
>> Donovan
>>
>>
>> PS: Thanks for your help Laurent on accessing the adj. r-squared value.
>>
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