how to compare the retention of 2 drugs, data is like:
Drug week1 week2 week3 ...............................week20
drugA 100 82 55 26
drugB 810 580 460 312
The numbers are the patient count who keep using the the drug starting week1.
question: retention statistically significant?
Thanks.
Join us for SAS Innovate April 16-19 at the Aria in Las Vegas. Bring the team and save big with our group pricing for a limited time only.
Pre-conference courses and tutorials are filling up fast and are always a sellout. Register today to reserve your seat.
Register now!
ANOVA, or Analysis Of Variance, is used to compare the averages or means of two or more populations to better understand how they differ. Watch this tutorial for more.
Find more tutorials on the SAS Users YouTube channel.