Need help for analyzing data.

[Jahanzaib]

i want to analize the attached data by using Difference in Difference technique. following procedure can by adopted. on the basis of year 2005-07, 2008-2009 and 2010-2012.

model of the test is like this

ROA=TD+TA+TANG+MV/BV

Anyone can please help me in this regard.

Message was edited by: Jahanzaib Haider i want to analize the attached data by using Difference in Difference technique. following procedure can by adopted. on the basis of year 2005-07, 2008-2009 and 2010-2012. model of the test is like this ROA=TD+TA+TANG+MV/BV Anyone can please help me in this regard.

[Reeza]

You say you were unable to calculate TANG, what was your code and how were you unable?