[R] Adjusting axis limits in ggplot2.

[Rolf Turner]

On 20/06/20 3:57 pm, Jeff Newmiller wrote:

> ?scale_x_discrete, in particular the expand argument.

Thanks Jeff.  Took me a while to get my head around it (I'm slow!!!) but 
I eventually got it.

For the record, what I needed to do was set:

ldCiPlot <- ldCiPlot + scale_x_discrete(expand=expansion(add=1))

Thanks again.

cheers,

Rolf

> 
> On June 19, 2020 7:07:32 PM PDT, Rolf Turner <r.turner using auckland.ac.nz> wrote:
>>
>> I'm having trouble adjusting axis limits in ggplot2 when the variable
>> corresponding to that axis is a factor.  I have attached a minimal
>> reproducible example in the file demo.txt.
>>
>> The result (see it by sourcing demo.txt and printing ldCiPlot) is fine
>> except that I would like the y-axis limits to be 0 and 7 rather than
>> 0.5 and 6.5.
>>
>> I tried adding xlim(0,7) ("x" because I do a coord_flip()) but this
>> causes the error
>>
>>> Error: Discrete value supplied to continuous scale
>>
>> to be thrown.  I have Googled around quite a bit and have not managed
>> to
>> find anything useful that I can understand.  I'm sure there is a simple
>> solution, but I can't find it.  Can anyone point me in the right
>> direction?  Ta.
>>
>> cheers,
>>
>> Rolf Turner