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whatalnk/align_plot.Rmd

Created January 21, 2015 08:29
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alline 2 plot , 2 row, ggplot2
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align_plot.Rmd
[Align multiple ggplot2 graphs with a common x axis and different y axes, each with different y-axis labels.](https://gist.github.com/tomhopper/faa24797bb44addeba79)
`grid.draw()` is from grid package
* same x axis
* y values are different, so margin of y axis is different
* in result, width of plot area are changed
```{r}
gp1 <- ggplot(...)
gp2 <- ggplot(...)
grid.draw(rbind(ggplotGrob(gp1), ggplotGrob(gp2), size = "last"))
```
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