Hi Peri,
Without the data this is only a guess, but are the values of East and
center within the limits of the plot generated by Nation?
Jim
On Fri, Sep 18, 2020 at 10:12 AM peri He <statistic...@hotmail.com> wrote:
>
> 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
>
> [[alternative HTML version deleted]]
>
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