One option is to put all the data frames into a list then use the Reduce function.
On Mon, Dec 17, 2012 at 9:03 AM, Vasilchenko Aleksander < vasilchenko....@gmail.com> wrote: > Hello. > I have for example 4 or more dataframe which like such this example: > date value > 2006-11 0.4577647 > 2006-12 NaN > 2006-10 0.1577647 > 2006-11 0.3577647 > 2006-12 NaN > 2007-01 NaN > 2007-02 NaN > 2007-03 0.2956429 > 2007-01 0.3677647 > 2007-02 NaN > They have the same length. I need merge by date undefined number of > dataframes. End result output will look like such example > date name1 name2 name3 name4 .... > 2006-11 0.4577647 0.4577647 0.4577647 NaN > 2006-12 NaN NaN 0.4577647 0.4577647 > 2006-10 0.1577647 0.1577647 0.4577647 NaN > 2006-11 0.3577647 0.8577647 0.4577647 0.4577647 > 2006-12 NaN 0.1577647 0.4577647 0.4577647 > 2007-01 NaN 0.2277647 NaN 0.1777647 > 2007-02 NaN 0.4577647 0.4577647 0.4477647 > 2007-03 0.2956429 NaN 0.4577647 0.1577647 > 2007-01 0.3677647 0.4577647 NaN7 0.4577647 > 2007-02 NaN 0.6577647 0.4577647 0.4577647 > > Sincerely yours, > Aleksander > > ______________________________________________ > 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. > -- Gregory (Greg) L. Snow Ph.D. 538...@gmail.com [[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.
