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" <[email protected]> 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]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
