ggplot title centring problem

[Liam Bailey]

Hi all,

I've noticed that plot titles in ggplot are not being centred at the top of the plot. I'm using ggplot 2.2.0; R 3.3.2; Windows 7 SP1.

For example:

ggplot(cars, aes(x = speed, y = dist))+
geom_point()+
ggtitle("cars title")

OR

ggplot(cars, aes(x = speed, y = dist))+
geom_point()+
labs(title = "cars title")

(result is the same)

Is this a known bug in the current version? What would people recommend as the best work around to centre plot titles.

Cheers,
Liam

[Crump, Ron]

Hi Liam,

>ggplot(cars, aes(x = speed, y = dist))+
>geom_point()+
>labs(title = "cars title")

How about:

ggplot(cars, aes(x = speed, y = dist))+

geom_point()+labs(title = "cars
title")+theme(plot.title=element_text(hjust=0.5))

See ?theme and ?element_text

Ron.

[Thiago V. dos Santos]

Rather than a bug, this appears to be a new feature. Check first paragraph of
https://github.com/tidyverse/ggplot2/releases/tag/v2.2.0
Greetings,
-- Thiago V. dos Santos

PhD student
Land and Atmospheric Science
University of Minnesota

On Monday, December 19, 2016 5:18 AM, Liam Bailey <ldbai...@gmail.com> wrote:



Hi all,

I've noticed that plot titles in ggplot are not being centred at the top of the plot. I'm using ggplot 2.2.0; R 3.3.2; Windows 7 SP1.

For example:

ggplot(cars, aes(x = speed, y = dist))+
geom_point()+
ggtitle("cars title")

OR

ggplot(cars, aes(x = speed, y = dist))+
geom_point()+
labs(title = "cars title")

(result is the same)

Is this a known bug in the current version? What would people recommend as the best work around to centre plot titles.

Cheers,
Liam

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[Liam Bailey]

Thanks all, makes much more sense now. Should've checked recent documentation!