Updating sas datafiles
Note: These instructions are not intended for client-only machines.If your installation is limited to SAS client software (such as SAS Enterprise Guide), no update is required.The file is out-of-date, and you want to update it with data described by VLIB. To perform the update, submit the following program: In this example, when the UPDATE statement references the view descriptor VLIB. You have two choices when updating a SAS 7 and later data file with the data described by a view descriptor: The following program resolves character-length discrepancies by using the RENAME option in the UPDATE statement in the DATA step. CONSULTING_BIRTHDAYS, which contains Consulting names and birthdays, is updated with data described by VLIB. In this program, the updated SAS data file NEWDATA. NEW_BIRTHDAYS show the results of PROC PRINT on the original data file and the updated data file. 30NOV37 13 RODRIGUEZ ROMUALDO R 09FEB29 14 SCHOLL MADISON A. 04SEP49 16 SMITH AMANDA 02DEC60 17 SMITH JERRY LEE 13SEP42 18 VAN HOTTEN GWENDOLYN 13SEP42 19 WAGGONNER MERRILEE D 27APR36 20 WILLIAMSON JANICE L.
CLASSES 1 OBS LASTNAME FIRSTNME CLASS 1 AMEER DAVID PRESENTING IDEAS 2 CANADY FRANK A. The following program sorts the input SAS data file TRANS.
Because the SAS/ACCESS interface to SYSTEM 2000 uses the SAS 6 compatibility engine, the transaction data is from a SAS 6 source. 21JUN50 8 JUAREZ ARMANDO 28MAY47 9 LITTLEJOHN FANNIE 17MAY54 10 RICHARDSON TRAVIS Z. 19MAY52 Beginning with SAS 7, SAS supports different naming conventions than those used in SAS 6.
However, the original file can be a SAS 6 or later data file. BIRTHDY that contains the names and birthdays of the employees in Marketing. 30NOV37 11 RODRIGUEZ ROMUALDO R 09FEB29 12 SCHOLL MADISON A. 04SEP49 14 SMITH JERRY LEE 13SEP42 15 VAN HOTTEN GWENDOLYN 13SEP42 16 WAGGONNER MERRILEE D 27APR36 17 WILLIAMSON JANICE L. NEWBDAY Data File 1 OBS LASTNAME FIRSTNME BIRTHDAY 1 AMEER DAVID 10OCT51 2 BROOKS RUBEN R. Therefore, there might be character-length discrepancies between the variables in an original data file and the transaction data. 21JUN50 8 JOHNSON ED 30JAN65 9 JUAREZ ARMANDO 28MAY47 10 LEWIS THOMAS 25MAY54 11 LITTLEJOHN FANNIE 17MAY54 12 RICHARDSON TRAVIS Z.
This page contains a list of updates that have been made to the NAMCS and NHAMCS public-use micro-data files and since their initial release dates.
Data users can check here for any revisions that have been made to ensure that they are using the most accurate version of the files.SAS writes the modified observations to the data set that you name in the DATA statement without modifying either the master or the transaction data set.