Hi Ramya, Assuming that the problem is well defined (i.e. the values in col1 of the data.frames are unique and every value in D.F.sub.2[,1] appears also in D.F1[,1]) you can do the following:
ind <- match(D.F.sub.2[,1],D.F1[,1]) D.F1[ind,] <- D.F.sub.2 --- On Thu, 18/9/08, Rajasekaramya <[EMAIL PROTECTED]> wrote: > From: Rajasekaramya <[EMAIL PROTECTED]> > Subject: [R] inserting values for null > To: r-help@r-project.org > Received: Thursday, 18 September, 2008, 2:13 AM > I have a dataframe D.F1 > > >dim (D.F1) > 14351 9 > This dataframe has values and for some 1000 rows it holds > NULL values.I hace > found the missing values for about 500 and have those in > another dataframe > D.F.sub.2 > > >dim(D.F.sub.2) > 500 9 > as dataframe is a subset of D.F1 the coulmn 1 in D.F.sub.2 > is a subset of > D.F1.I have to insert the values in D.F1 in other fields > while the coulmn 1 > in both the main table and sub table matches. > Ih short i have to insert a dataframe (D.F.sub.2) into the > main D.F1 using > the column1 that hold similar values. > > Kindly plz help me. > > Ramya > -- > View this message in context: > http://www.nabble.com/inserting-values-for-null-tp19535742p19535742.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, > reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
