BookmarkSubscribeRSS Feed
Shubham12t
Calcite | Level 5

When analyzing the monthly incidence rate (count of episodes/person-years) using interrupted time series via negative binomial regression, there are some months wherein we don't have an episode of the disease. How should we tackle that, should we impute 0 for the count of an episode for that respective month and some constant value for person-years so that the incidence rate becomes 0 (0/constant). 

 

Also, how to treat outliers in the monthly incidence rate data analyzed using the above approach: Interrupted Time Series using Negative Binomial Regression.

SAS Innovate 2025: Save the Date

 SAS Innovate 2025 is scheduled for May 6-9 in Orlando, FL. Sign up to be first to learn about the agenda and registration!

Save the date!

What is ANOVA?

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.

Discussion stats
  • 0 replies
  • 415 views
  • 0 likes
  • 1 in conversation