I'm printing two plots with ggplot into an R Markdown HTML output, but I'd like them to appear side by side. Is this possible? Could I set the size of the figures as well?
SO far I can only print them one after the other. I also tried the multiplot function from the R Cookbook, but that severely distorts the plots...
Thanks!
title: "HT Chip MiSeq/HiSeq Analysis"
date: "October 1, 2015"
output:
html_document:
highlight: haddock
theme: flatly
---
```{r plots, echo=FALSE}
genesDetectedDensity_MiSeq <- ggplot(meta.miseq) + geom_density(aes(genesDetected, fill=column, color=seqRun), alpha=0.2) + scale_x_continuous(limits=c(0,2000), breaks=seq(0, 2000, 100)) + ggtitle("Genes Detected across cells from MiSeq Runs")
return(genesDetectedDensity_MiSeq)
genesDetectedHistogram_MiSeq <- ggplot(meta.miseq) + geom_bar(aes(genesDetected, fill=column, color=seqRun), position="dodge", binwidth=50, alpha=0.2) + scale_x_continuous(limits=c(0,2000), breaks=seq(0, 2000, 100)) + ggtitle("Genes Detected across cells from MiSeq Runs")
return(genesDetectedHistogram_MiSeq)
```
This produces the following:
UPDATE: Following the suggestion I received below, I tried using the gridExtra
library, and printed the plots by adding:
grid.arrange(genesDetectedDensity_MiSeq, genesDetectedHistogram_MiSeq, ncol=2)
This almost works, but it's still kind of messy:
R Markdown is an extension of the markdown syntax. R Markdown files are plain text files that typically have the file extension . Rmd . They are written using an extension of markdown syntax that enables R code to be embedded in them in a way which can later be executed.
In RStudio, when you open a new RMarkdown file, in the editor pane, there is a cogwheel button / menu where you can choose "Chunk Output Inline". That should put the plots into the document.
You can use grid.arrange() in the gridExtra library to achieve this :)
Edit : using iris see the image :
library(gridExtra)
plot1 <- qplot(iris$Sepal.Length)
plot2 <- qplot(iris$Sepal.Width)
grid.arrange(plot1, plot2, ncol=2)
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