I am trying to create a lot of plots (simple x-y bar graphs) that I would like to display in the form of a grid. When I use the gridExtra package's grid.arrange, as the number of plots grow, each individual plot shrinks. Is there a way to create the plot canvas so that it spans over multiple pages without shrinking each individual plot?
A simple example from gridExtra:
require(ggplot2) require(gridExtra) plots = lapply(1:50, function(.x) qplot(1:10,rnorm(10),main=paste("plot",.x))) do.call(grid.arrange, plots)
The above code generates 50 plots but they get shrunk to fit the canvas. Is there a way to avoid that? i.e., make them span over multiple pages and each page will have about say 9 or so plots? I am ok with PNG or PDF file formats.
Before trying grid.arrange, I played around with the code sample from this site: http://gettinggeneticsdone.blogspot.com/2010/03/arrange-multiple-ggplot2-plots-in-same.html and ran into the same issue.
I have not yet tried combining the different data frames into one giant data frame with a plot identifier. Then I was thinking of faceting with the plot identifier but I am not sure if it will also have the same issue of shrinking each plot.
Hope my question is clear…