[R] ggplot geom_line problem

[phii m@iii@g oii phiiipsmith@c@]

Thank you Jeff. This solves my problem.

On 2021-08-28 21:54, Jeff Newmiller wrote:
> Maybe you will find that coord_cartesian( ylim=c(-30,30) ) works
> better since it doesn't filter out data before rendering.
> 
> On August 28, 2021 6:45:11 PM PDT, phil using philipsmith.ca wrote:
>> I am preparing a time series plot using the ggplot function. It 
>> includes
>> an area plot outlined at its edges with a line plot. For some reason 
>> the
>> line plot, drawn with geom_line(), has some broken portions where the
>> line does not appear, although the filled geom_area() part of the plot
>> is shown. The problem is related to the last line of code because when 
>> I
>> remove it, the problem disappears.
>> Why is this happening and what can I do about it? Thank you. Philip
>> 
>> library(tidyverse)
>> df <- dget("df.txt")
>> mnGr <- 345.666605809
>> mnGDP <- 859.752763485
>> ggplot(df)+
>>   geom_area(aes(x=Date,y=GDP*(mnGr/mnGDP)-Gr),
>>     fill="red",alpha=0.3)+
>>   geom_line(aes(x=Date,y=GDP*(mnGr/mnGDP)-Gr),
>>     colour="black",size=1)+
>>   scale_y_continuous(position="right",limits=c(-30,30))