Try this: merge(df1, df2, by.y=1, by.x=1, all=T) merge(df1, df2, by.y=1, by.x=1)
On 28/11/2007, tom soyer <[EMAIL PROTECTED]> wrote: > Hi, > > I have two sets of data that I would like to put into a data frame. But > since they have different length, I am not sure how to do this. Here is an > example of my data: > > data set one: > date growth > 1/1/2007 10 > 1/2/2007 10.2 > 1/3/2007 10.4 > 1/4/2007 10.6 > > data set two: > date growth > 1/1/2007 22 > 1/2/2007 22.5 > 1/4/2007 22.4 > > I would like to combine the two data sets and create a data frame like this: > date growthA growthB > 1/1/2007 10 22 > 1/2/2007 10.2 22.5 > 1/3/2007 10.4 NA > 1/4/2007 10.6 22.4 > > Or skipping the missing data point all together, like this: > date growthA growthB > 1/1/2007 10 22 > 1/2/2007 10.2 22.5 > 1/4/2007 10.6 22.4 > > Right now I am doing this by hand, and it is really time consuming. I am > wondering if there is an easier way of creating data frames from unequal > length data using existing R functions. Is there a way to create data > with equal length based on the date column? I would appreciate any help from > the group. > > Thanks, > > -- > Tom > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.
