************************************************************
* Program:  C:\NHANES\CleanRecode_CheckOutliers.sas        *
* Proposal: Check for continuous variable for outliers    *
************************************************************;
libname NH "C:\your_dir";

/*change the name of the directory folder to the location that you saved your downloaded dataset
 from the sample code and dataset downloads module: for example "c:\nhanes\data"*/

/*This program will check the distribution and outliers for continuous variables*/ 

proc univariate data=NH.demo_BP2b normal plot;
where ridstatr=2 and ridageyr>=20;* interviewed and examined(ridstatr=2), adults age 20+;
	id seqn;
	var lbxtc;
	title 'Check distribution of serum total cholesterol';
run;