Às 21:29 de 16/05/2023, Jeff Reichman escreveu:
R Help
I have a data.frame where I've broken out the year <dbl> and an ordered
month <ord> values. But I need to recombine them so I can graph mon-year in
order but when I recombine I lose the month order and the results are
plotted alphabetical.
Year month mon_year
<dbl> <ord>
2021 Mar Mar-2021
2021 Jan Jan-2021
2021 Apr Apr-2021
So do I need to convert the months back to an integer then recombine to
plot.
Jeff Reichman
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Hello,
You can use function as.yearmon in package zoo to get the correct
month/year order.
df1 <- data.frame(Year = c(2021, 2021, 2021),
Mon = c("Mar", "Jan", "Apr"))
df1$mon_year <- zoo::as.yearmon(paste(df1$Mon, df1$Year))
sort(df1$mon_year)
#> [1] "Jan 2021" "Mar 2021" "Apr 2021"
Hope this helps,
Rui Barradas
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