[R] getting the value from previous row

[arunkumar1111]

Hi

I've a dataset  with record  A  = 100,200,300,400...

There will be a parameter n.  say n=10 means i have add 10% of previous
value to the current row

current_Val New_value
100                   100
200                    210 (200+10)
300                    330( 300 +20+10)
400                     460 (400+30+20+10)

I'm using a loop
But i want takes a long time. Please help



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Thanks in Advance
        Arun
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