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pearson101
Calcite | Level 5

I have a plot of time vs average height. The plot displays by 6 line due to the group (district). How do add a trend line given the group? is it something I have to do prior to plotting?

This is my code:

````

title 'Average height (by district)';
proc sgplot data=height;
series x=date y=mean_height / group=district legendlabel="original" ;
xaxis label='Date';
yaxis label='Average';
run;

```

1 REPLY 1
PaigeMiller
Diamond | Level 26

"trend line" can have any one of several meanings and you do not specify exactly what trend you mean

 

Here's how to obtain one such trend line — add a REG statement into PROC SGPLOT with the GROUP= option. This could possibly create a very cramped and hard to read plot, but I leave that up to you to decide.

--
Paige Miller

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