Horizontal mean and sd line in Bland Altman Plot

[Eli Omo]

Hi all,

I used the code

twoway (scatter difference averagesys), by (Group)

What do you I need to add to the code to include a horizontal line for the mean and the standard deviation

Any help will be much appreaciated

[Clyde Schechter]

Duplicate post. See https://www.statalist.org/forums/for...nd-altman-plot.