Pls for the 2nd example ( 1972- 1985) why did you change the year to (1985_1972) when calculating for their cumulative, I was thinking you will use the 1972- 1985 in calculating for the cumulative ,then when ploting u start from the recent year,pls explain
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Pls for the 2nd example ( 1972- 1985) why did you change the year to (1985_1972) when calculating for their cumulative, I was thinking you will use the 1972- 1985 in calculating for the cumulative ,then when ploting u start from the recent year,pls explain
Sorry, 1970 - 1985
Dear watch from 1:09:52 or use this link. everything is explained (you do it in reverse) th-cam.com/video/L0KJKTFt5LY/w-d-xo.html
Are you African ??, And passed out from which college, name ???