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<div>Hi,</div>
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<div>I have a problem that I want to divide column “b” with all the other columns, in this case “c” and “d” , is there a nice way to do this?</div>
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<div>Further I would like to divide columns “b,c,d” with row 1 form column “b” to create a index?</div>
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<div>a <- data.table(year = 2001:2010, b = 1:10, c = 11:20, d = 21:30)</div>
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<div style="margin-bottom:10pt;">Regards Serdar</div>
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