Dear Friends,
I am trying to add two time series curves into one plot. I don't get any error
but the lines are not added to my plot.
I am trying the following code;
1) df <- as.data.frame (read_excel("C:/Users/NO2.xlsx", "trend))
2) plot(df$year, df$Nation, type="o", col="blue", lty=1, ylab="change" )
3) lines(df$year, df$East, col="red",lty=2)
4) lines(df$year, df$center, col="dark red", lty=3)
I need to mention that Nation, East and Center are some probability values.
And year, is a sequence of years. Lines 1 and 2 are run properly but lines 3
and 4 are not added.
I would appreciate any idea.
Regards,
Peri
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