The sample code on the Full Code tab illustrates how to create a new variable whose value is a month name.

Note:   If your numeric variable is a SAS date value (the number of days since January 1, 1960), you can use the MONNAMEw. format to either display the SAS date as its month name or create a new variable using the PUT function. See Sample 1.

If you have a numeric variable with values 1-12, you will need a user-defined format. See Sample 2.

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These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

/* Sample 1 : MONNAME format with a SAS date value */

data _null_;
  input date :mmddyy8.;

  /* Create a new variable */
  month_name=PUT(date,monname.);
  put month_name= @;

  /* or just format the date */
  put @25 date @35 date monname.;
datalines;
01/15/04
02/29/04
07/04/04
08/18/04
12/31/04
;
run;

/* Sample 2: Numeric value 1-12 with user-defined format */

proc format ;  
 value mn_name 1='January'
               2='February'
               3='March'
               4='April'
               5='May'
               6='June'
               7='July'
               8='August'
               9='September'
              10='October'
              11='November'
              12='December'
           other='Invalid';
run;

data test2;
  input num;
  format num mn_name.;
datalines;
1
3
8
10
0
;
run;
proc print;
run;

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These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

OUTPUT to SAS log -- Sample 1 : MONNAME format with a SAS date value 

month_name=January      16085       January
month_name=February     16130      February
month_name=July         16256          July
month_name=August       16301        August
month_name=December     16436      December




RESULTS -- Sample 2: Numeric value 1-12 with user-defined format 

Obs      num

 1     January
 2     March
 3     August
 4     October
 5     Invalid

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