Dear all, Greetings of the day I have the quarterly data of a variable from june,2009 to march, 2018. with those values, i have to compute the average value of the variable for the previous three years. For example, at the end of march, 2012, i have to compute the average value of the variable from june,2009 to march,2012. Next at the end of march, 2013, i have to compute the average value of the variable from june,2010 to march,2013. and so on till march, 2018. the format of my dataset is as follows Company Name var_june2009 var_sept2009 var_dec2009 var_march2010 ................ var_march2018 20 Microns Ltd. 2.05 2.05 0.46 0.29 .............. 0.29 3I Infotech Ltd. 4.41 7.74 16.59 8.08 ............... 8.22 3M India Ltd. 5.92 5.88 5.42 5.33 ............... 5.14 please help me writing the SAS code to perform the above mentioned calculation. thanks in advance.
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