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  1. Reading the descriptor ...

  2. 19 mar 2021 · You can count the number of observations per group (i.e., per variable) in a SAS dataset with PROC SQL. You need the COUNT function and the GROUP BY statement to make it work. With the GROUP BY statement, you define the groups.

  3. 3 lip 2018 · Reading the descriptor portion is one of the most efficient and quickest ways of determining the number of observations in a SAS data set. Here are some examples: /* SAS V9.x and higher */ data _NULL_; if 0 then set sashelp.class nobs=n; call symputx('nrows',n); stop; run; %put nobs=&nrows;

  4. In this post, we will see various methods to count number of rows (records) in SAS table. Method I : Proc SQL Count (Not Efficient) In the example below, we will use CARS dataset from SASHELP library. This dataset contains 428 observations and 15 columns. The easiest method is to use count(*) in Proc SQL. It returns all rows (missing plus non ...

  5. 17 mar 2014 · The "safest" way to find the number of undeleted observations in a data set or view is to use PROC SQL and actually count them, putting the result into a macro variable. For example, suppose you have a data object named HAVE: proc sql noprint; select count(*) into : nobs from WORK.HAVE; quit; %put 'Obs in data set:' &nobs;

  6. 31 paź 2013 · You could use quite a few SAS Procedures for this (Proc Means/Summary, Proc Report, Proc Tabulate,....). Here some code using Proc SQL: proc sql; select count(*) as N_Obs. from have. where firm=1 and dummy='B' and assets=10 ; quit;

  7. 4 sty 2022 · You can use the following methods to count the total observations by group in SAS: Method 1: Count Observations by One Group. proc sql; select var1, count (*) as total_count from my_data group by var1; quit; Method 2: Count Observations by Multiple Groups.

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