WebMay 23, 2024 · proc sql; select a.*,b.value from (select id,id_2 from have where value=0)a left join have b on a.id=b.id and a.id_2=b.id_2; quit; Share Improve this answer Follow answered Nov 14, 2016 at 2:39 Shenglin Chen 4,466 11 10 Thank you for this SQL solution. However, it has a slight problem. Webplaced on system resources. Instead, SAS professionals may want to consider using PROC SUMMARY with the CLASS statement to avoid the need for sorting altogether, see Method #2. Method #2 – Using PROC SQL to Remove Duplicates . The second method of removing duplicates uses PROC SQL. PROC SQL provides SAS users with an alternative to using
How to Delete Rows from a Dataset in SAS - SAS Example Code
WebAlthough there are other ways, we'll investigate two common ways of reducing the number observations in a data set here. We can use an IF-THEN-DELETE statement to exclude observations from the output data set. Or we can use a subsetting IF statement to include observations in our output data set. micro office picture manager windows10
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WebMay 30, 2013 · So for example you could pull that into a macro variable and delete the tables in a PROC SQL or PROC DATASETS statement. proc sql; select memname into :dellist separated by ' ' from dictionary.tables where libname='WORK' and nobs=0; quit; proc datasets nolist; delete &dellist; quit; Share Improve this answer Follow answered May 30, 2013 at … WebOct 20, 2024 · Scenario 2: Variable names and data begin "later" than row 1. In this scenario, my delimited file has the variable names on row 4 and the data starts on row 5. When you use PROC IMPORT, you can specify the record number at which SAS should begin reading. Although you can specify which record to start with in PROC IMPORT, you cannot extract … WebIf OBS=0 and the NOREPLACE option is in effect, then SAS can still take certain actions because it actually executes each DATA and PROC step in the program, using no observations. For example, SAS executes procedures, such as CONTENTS and … If OBS=10 and FIRSTOBS=2, the result is nine observations or records, that is, (10 - … The DATA step creates a data set named WORK.A containing 100 observations … the online depot.ph