[R] include

[Val]

Thank you Jim

I wanted a final data frame  after replacing the NA's to "0"

x1 =  rbind(unique(preval),mydat)
x2 <- x1[is.na(x1)] <- 0
x2
 but I got this,

[1] 0

why I am getting this?


On Sat, Feb 24, 2018 at 12:17 AM, Jim Lemon <drjimlemon at gmail.com> wrote:

> Hi Val,
> Try this:
>
> preval<-data.frame(Col1=unique(unlist(mydat[,c("Col2","col3")]))[-1],
>  Col2=NA,col3=NA)
> rbind(preval,mydat)
>
> Jim
>
> On Sat, Feb 24, 2018 at 3:34 PM, Val <valkremk at gmail.com> wrote:
> > Hi All,
> >
> > I am reading a file as follow,
> >
> > mydat <- read.table(textConnection("Col1 Col2 col3
> > Z2 NA NA
> > Z3 X1 NA
> > Z4 Y1 W1"),header = TRUE)
> >
> > 1. "NA" are   missing  should be replace by 0
> > 2.  value that are in COl2 and Col3  should be included  in col1 before
> > they appear
> > in col2 and col3. So the output data looks like as follow,
> >
> > X1  0  0
> > Y1  0  0
> > W1  0  0
> > Z2  0  0
> > Z3 X1  0
> > Z4 Y1 W1
> >
> > Thank you in advance
> >
> >         [[alternative HTML version deleted]]
> >
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>

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