[R] create new column to combine 2 data.frames

[PIKAL Petr]

Hi

see ?merge

something like 

merge(df1, df2)

Petr

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Mat
> Sent: Friday, August 30, 2013 10:37 AM
> To: r-help at r-project.org
> Subject: [R] create new column to combine 2 data.frames
> 
> Hello together i have a little problem with the combine of two
> data.frames.
> 
> I have 2 data.frames, which look like this one:
> 
> first dataframe:
> ID Name
> 1  Jack
> 2  John
> 3  Jill
> 
> second dataframe
> ID  Days  Type
> 1    3       Training
> 2    1       Management
> 3    4       Training
> 
> At the end i want to create a data.frame like this one (the Type should
> be the new column and the entry of the column should be the days):
> 
> ID Name  Training    Management
> 1  Jack    3            0
> 2  John    0            1
> 3  Jill       4            0
> 
> maybe anyone can help me, how i can do this.
> 
> Thanks a lot.
> 
> Best regards. Mat
> 
> 
> 
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> column-to-combine-2-data-frames-tp4674963.html
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