Hi All,

I need your help in NA handling.

I've following data series.

x<-c(1,4,5,8,NA,4,NA,5,5,1,2,7,8,9,NA,NA,NA,15,6,8)

Now i want to interpolate where NA value persists. Like, between 9 and 5 there are three NA's. So, that should be interpolated like,

1st NA-> (15-9)/4
2nd NA-> 1st NA value + (15-9)/4

Can i get help on this using a 'for' loop. Actually i have huge daily time series with lots of NA values where i need to make these values.

Please help.

Thanks,
Sumanta Basak.

 				
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