[R] Adjusting axis limits in ggplot2.

Rolf Turner r@turner @end|ng |rom @uck|@nd@@c@nz
Sat Jun 20 09:11:01 CEST 2020

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.



> 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

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