https://communities.sas.com/t5/SAS-Procedures/DO-Loop/m-p/70449#M20262 You must code an OUTPUT statement. A SAS DATA step does have an implicit output operation but since you are in your DO/END loop technique, the only output would occur when the last statement is executed.<BR /> <BR /> Scott Barry<BR /> SBBWorks, Inc.<BR /> <BR /> Suggested Google advanced search argument, this topic / post:<BR /> <BR /> data step output statement site:sas.com Wed, 09 Feb 2011 14:08:45 GMT sbb 2011-02-09T14:08:45Z https://communities.sas.com/t5/SAS-Procedures/DO-Loop/m-p/70448#M20261 Hi All,<BR /> <BR /> I use the code:-<BR /> <BR /> /*NESTED DO*/<BR /> Data Earn;<BR /> do year=1 to 2;<BR /> capital+2000;<BR /> do month=1 to 3;<BR /> interest = capital*(.075/12);<BR /> capital+interest;<BR /> end;<BR /> end;<BR /> run;<BR /> <BR /> <BR /> Output: Interest=25.55 &amp; Capital=4113.91 <BR /> <BR /> How is this output reached?Kindly suggest.<BR /> <BR /> K Wed, 09 Feb 2011 11:55:48 GMT https://communities.sas.com/t5/SAS-Procedures/DO-Loop/m-p/70448#M20261 deleted_user 2011-02-09T11:55:48Z https://communities.sas.com/t5/SAS-Procedures/DO-Loop/m-p/70449#M20262 You must code an OUTPUT statement. A SAS DATA step does have an implicit output operation but since you are in your DO/END loop technique, the only output would occur when the last statement is executed.<BR /> <BR /> Scott Barry<BR /> SBBWorks, Inc.<BR /> <BR /> Suggested Google advanced search argument, this topic / post:<BR /> <BR /> data step output statement site:sas.com Wed, 09 Feb 2011 14:08:45 GMT https://communities.sas.com/t5/SAS-Procedures/DO-Loop/m-p/70449#M20262 sbb 2011-02-09T14:08:45Z