I have a for loop of qplots, how can you structure the plots individually using LaTeX code e.g adding captions to the plots

Question

\begin{figure}[h]
\centering

<<echo=FALSE>>=

for(i in 2:38){
print(my_plot_function(i))
}

@

\end{figure}

This is my code, but what is happening is that when I compile my PDF I only get the first two plots that fit on the first page and I do not get the rest of the plots. I would like to have all of the plots on separate pages.

And how would I go about adding captions to each individual plot in the for loop.

Answer 1

\documentclass{article}
\begin{document}

<<echo = FALSE, fig.cap = c("First, Second, Third"), results = "asis">>=
  library(ggplot2)
  for (i in 1:3) {
    print(qplot(x = 1, y = i))
    cat("Arbitrary \\LaTeX code! \\clearpage")
  }
@
  
\end{document}

You can use the chunk option fig.cap to add captions to your plots. Note that this will wrap your figure in a figure environment, turning it into a float.

Use the chunk option results="asis" to be able to print arbitrary text (including LaTeX markup) into your document using cat().