Dila, take a look at this:
http://r.789695.n4.nabble.com/How-to-replace-all-lt-NA-gt-values-in-a-data-frame-with-another-not-0-value-td2125458.html
Does that help?
Best,
Collin.
On Tue, 12 Nov 2013, dila radi wrote:
> Hi all,
>
> I have a data set with missing value. I would like to estimate those
> missing value by using normal ratio method.
> Below is part of my data:
>
> AS BL Serdang Jhr Phg Target station
> 0 0.0 12.8 0.0 23.7 0.0
> 6 0.0 81.7 0.2 0.0 NA
> 0 1.5 60.9 0.0 0.0 15.5
> 1 13.0 56.8 17.5 32.8 6.4
> 4 3.0 66.4 2.0 0.3 NA
>
> Now I want to replace those NA's, with the estimation values by using
this
> formula:
> weight$v6
>
<-(weight1*AS)+(weight2*BL)+(weight3*Serdang)+(weight4*Jhr)+(weight5*Phg);
> Targetstation
>
> but I still could not replace the NA's. My problem is, how do I replace
> those NA's with another value?
>
> Thank you so much for your help and attention.
>
> Regards,
> Dila
>
> [[alternative HTML version deleted]]
>
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