BookmarkSubscribeRSS Feed
freedom93
Calcite | Level 5

Hi,

I'm sas new user. I wonder if it's possible to get a 100% concordant percentage and D de Somers value=1 with a logistic regression. It seems so perfect to me!

Thanks

1 REPLY 1
Reeza
Super User

Only if your data has perfect separation. Usually this happens when you accidentally include a variable that's observed with the outcome, sometimes after the fact. 

 

I wouldn't trust the model and would be verifying it thoroughly. 

 

PS I'm going to move this to the stats forums as it relates more to statistics. 

hackathon24-white-horiz.png

The 2025 SAS Hackathon has begun!

It's finally time to hack! Remember to visit the SAS Hacker's Hub regularly for news and updates.

Latest Updates

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
  • 1 reply
  • 1794 views
  • 1 like
  • 2 in conversation