* Closes a log file named svydes1 if it is already open.
* The capture prefix suppresses any error message if the log is not open.

capture log close svydes1 

* Removes all data currently in memory.

clear

* Prevents Stata from pausing output one screen at a time.

set more off

* Sets the output line width to 255 characters, reducing line wrapping in the log file.

set linesize 255

* Loads the dataset short0212.dta into memory.

use "F:\Heroin\short0212.dta"

* Opens a log file named svydes1.log.
* Replace or overwrites any existing file with the same name.
* The log is assigned the name svydes1.

log using "F:\heroin\svydes1.log", name (svydes1) replace

* Specifies survey Design.
* Produces a description of the survey design for observations where year = 2012.
* Saves all output to svydes1.log.
* Closes the log file named svydes1 that was previously opened with:

svyset verep [pweight=analwt], strata (vestr) vce(linearized) ///
    singleunit(missing)
	
svydescribe analwt if year==2012

				
log close svydes1