Could you elaborate on this ? Where would the print /plot statement go ?
On Thu, Aug 2, 2012 at 4:38 PM, Michael Weylandt <michael.weyla...@gmail.com
> wrote:
> You need to explicitly print() the graphs to make them show -- or in
> recent ggplot2 versions I think you can also use plot() as an alias.
>
> Michael
>
> On Aug 2, 2012, at 2:37 PM, "firdaus.janoos" <fjan...@bwh.harvard.edu>
> wrote:
>
> > Hello,
> >
> > I'm having some issues getting a ggplot figure to show up in the knitr
> > output, when placed in a loop.
> >
> > Specifically, I have a loop inside a knitr chunk :
> >
> > ```{r fitting, warning=FALSE, fig.width=10, fig.height=10,
> fig.keep='high'}
> > for (t in 1:T)
> > {
> > # do a regression of tgt.vals ~ predictors and compute coeffs and
> > fitted values (fit.vals / fit.adj.vals)
> >
> > plot( x=tgt.vals, y=fit.vals );
> > plot( x=tgt.vals, y = fit.adj.vals );
> >
> > qplot( x = pred.names, y = coeffs);
> >
> > }
> >
> > ```
> >
> > The html output file shows the output of first 2 plot commands but not
> that
> > of the qplot command. Even if i remove the 2 plots and keep only the
> qplot
> > in the loop, it does not display in the html output.
> > The qplot just by itself, not in a loop, displays fine. Also, there are
> no
> > issues when I run in regular R.
> >
> > Any suggestions of what is going on ?
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> > and provide commented, minimal, self-contained, reproducible code.
>
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