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15 lip 2020 · Method 1: PROC SQL & Count. Method 2: PROC SQL & Dictionary Tables. Method 3: Data _NULL_ & Descriptor Portion. Method 4: A Macro Function. Counting Rows. If you work with data, sooner or later, you need to know the number of observations (rows) in your data set.
Reading the descriptor ...
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;
15 kwi 2019 · I haven't been able to find predefined functions that will work directly on SAS as ncol () or nrow () in R for a dataset. Therefore, I have tried to replicate the function nrow () using the following logic, trying to store the result in a variable. My attempt has been as following:
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;
23 lip 2020 · 3. Now, run a query to select only the rows where Column1 is greater than zero (get rid of your zero values). 4. Finally, you can either use a query that counts the number of records for each customer, or use Describe -> Summary Statistics to find the customers that have count 1, or greater than 1.
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.
