Hi Adi Cohn

Many thanks. Your solution is giving my desired out put precisely. I created a function using your code. That also worked very fine.

Then I altered the function...

Hi allen

You right. Sorry for your inconvenience. Thanks for your effort.

Many thanks for this brilliant help.

I am getting my expected out put from this code.

Thanks for your effort. but it is not giving the expected result.

For quarter data '2014 quarter 1' , '2014 quarter 2', '2014 quarter 3', '2014 quarter 4'

the period_mat...