/******************************************************************************
 * Programme : Creación de una tabla de frecuencias
 * Reference : CREACI30AE
 * Source    : https://www.wearecas.eu/en/sampleCode/CREACI30AE
 ******************************************************************************/

/* --- BLOC 1 --- */
data mycaslib.creditqualify;
    infile datalines;
    input CustomerID Credit_Qualification $;
    datalines;
1 A
2 N/A
3 B
4 A
5 N/A
6 C
;
run;

data mycaslib.qualifyapps;
   set mycaslib.creditqualify;
   if Credit_Qualification='N/A' then Count=0;
      else Count=1;
run;

/* --- BLOC 2 --- */
proc cas;
   action freqTab.freqTab/
      table='qualifyapps',
      weight='Count',
      tabulate={'Credit_Qualification'};
quit;