06-13-2013 10:58 AM
I have performed SLR using "proc reg" on some data, and output the 95% confidence and prediction intervals.
There isn't much data and I'm looking at it for someone else who doesn't use SAS.
Using Excel, I need to replicate the plot of the data with a regression line and the limits.
How do I calculate these limits?
I don't understand how SAS calculates "STd Error Mean Predict" values. Does anyone know the formula? I could just paste the values in but that's wrong!
06-13-2013 01:03 PM
Why would it be wrong to use the calculated values? One of the great advantages of a package like SAS is that you don't have to load into a second package and do a lot of calculations. In particular, look at the PLOTS option in PROC REG. You should be able to get all of this from those plots (especially with PLOTS=FIT).