I've had something similar and have had better luck using the PrimoPDF
software to "Print" a PowerPoint to a PDF device instead of saving from
PowerPoint to PDF.

Best,

Kevin



On Sun, Jun 2, 2013 at 12:15 PM, Erling Johan Frøysa <
erling.froysa@gmail.com> wrote:

> Hello,
>
> I am using R to create graphics, especially to plot time series charts.
> These charts are then copied as metafiles (for best quality) to a
> PowerPoint
> presentation and then saved to PDF (via the "Save As" dialog").
>
> Attached is two pictures. The first picture shows how my chart looks like
> in
> the R Graphics window, and the second picture shows how the chart becomes
> after saving it to PDF.
>
> < http://r.789695.n4.nabble.com/file/n4668522/R.png>
>
> < http://r.789695.n4.nabble.com/file/n4668522/Rppt.png>
>
> As you can see. After saving the metafile to PDF via PowerPoint, some
> straight lines appears (it seems like all of the lines has the same origin
> in the upper left corner and ends somewhere on the times series line). This
> happens in both plot() and ggplot(). The problem appears more often when
> using daily data in my time series. With monthly data the problem don't
> exist.
>
> Have anyone experienced this before? Do you think the problem is related to
> R or to Powerpoint?
>
> Thanks all,
>
> E
>
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>
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>



-- 
Kevin Wright

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