Hi there! I have a dataframe like this:
example<data.frame(country=c("Argentina","Uruguay","Brazil","Argentina","Uruguay","Brazil","Argentina","Uruguay","Brazil"),
year=c(2018,2019,2020,2018,2019,2020,2018,2019,2020),
value=c(10,12,13,12,14,17,13,13,20))
And I am trying to create a simple line graph for each country, but my results are not as i expected. What is my mistake?
ggplot(example,aes(factor(year),value),group=country) + geom_line()