> On May 13, 2017, at 5:47 AM, Ranjan Maitra <mai...@email.com> wrote:
>
> On Fri, 12 May 2017 23:39:14 -0700 Daniel Nordlund <djnordl...@gmail.com>
> wrote:
>
>> On 5/12/17 4:55 PM, Ranjan Maitra wrote:
>>> Hi,
>>>
>>> Is it possible to display double dot (umlaut) over a character such as
>>> would be possible using \ddot x in LaTeX? I can do this using tikzDevice
>>> but I wanted something simpler to point to.
>>>
>>> Here is an example of what I would like to do, but it is not quite there:
>>>
>>> require(ggplot2)
>>> data<-as.data.frame(c("a","b","c","a","b","c"))
>>> colnames(data)<-"Y"
>>> data$X<-c(1:6)
>>> data$Z<-c(1,2,3,1,2,3)
>>>
>>> ggplot(data, aes(x=X)) + geom_line(aes(y = Z), size=0.43) +
>>> xlab(expression(atop(top,bold(Age~"à"))))
>>>
>>> I would like to put in a double dot over the "a" in the x-axis instead of
>>> "`".
>>>
>>> Many thanks for any suggestions and best wishes,
>>> Ranjan
>>>
>>
>> You haven't told what OS you are using, but with Windows OS, you can get
>> the 'ä' by making sure the NUMLOCK key is on, hold down the alt key and
>> press 0228 on the numeric keypad.
>>
>>
>
> I am sorry, I use a linux operating system. I use Fedora 25 but the student I
> wanted to show this uses Ubuntu, though I don't know if the distribution
> matters.
On a Mac it is cmd-u followed by the vowel of your choice. Perhaps you should
do a google search on the topic of getting umlauted characters for the distro
of your choice?
David.
>
> Thanks again for your help, and best wishes,
> Ranjan
>
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David Winsemius
Alameda, CA, USA
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