BookmarkSubscribeRSS Feed
Franziska
Calcite | Level 5

Hello, 

 

is it possible to calculate confidence limits for the median with weighted data? 

 

With proc univariate, I can calculate confidence limits for the median but those are not produced when the weight statement is used. 

 

Thanks for helping in advance 

1 REPLY 1
Rick_SAS
SAS Super FREQ

The documentation for PROC UNIVARIATE says: "Note that confidence limits for percentiles are not computed when a WEIGHT statement is specified."

 

However, recall that you can use regression procedures to carry out univariate analyses. Click on the link and scroll down to the third bullet to see how to use PROC QUANTREG to estimate quantiles and include confidence intervals. The QUANTREG procedure supports a WEIGHT statement.  For example:

 

ods output ParameterEstimates=QntlCI;
proc quantreg data=sashelp.cars;
   model MPG_City= / quantiles=0.5;
   weight weight;
run;
 
proc print data=QntlCI; run;

SAS Innovate 2025: Call for Content

Are you ready for the spotlight? We're accepting content ideas for SAS Innovate 2025 to be held May 6-9 in Orlando, FL. The call is open until September 25. Read more here about why you should contribute and what is in it for you!

Submit your idea!

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
  • 1628 views
  • 1 like
  • 2 in conversation