[R] assignment operator saving factor level as number

[jim holtman]

Your example looks like you are assigning back to the first column of
df2 (Num).  Is this what you are really doing in your code?

You need to follow the posting guide:

PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

On Fri, Nov 5, 2010 at 3:54 PM, Wade Wall <wade.wall at gmail.com> wrote:
> Hi all,
>
> I have a dataframe (df1) that I am trying to select values from to a second
> dataframe that at the current time is only for the selected items from df1
> (df2).  The values that I am trying to save from df1 are factors with
> alphanumeric names
>
> df1 looks like this:
>
> 'data.frame':   3014 obs. of  13 variables:
>  $ Num         : int  1 1 1 2 2 2 3 3 3 4 ...
>  $ Tag_Num     : int  1195 1195 1195 1162 1162 1162 1106 1106 1106 1173 ...
>  $ Site        : Factor w/ 25 levels "PYBR002A","PYBR003B",..: 1 1 1 1 1 1 1
> 1 1 1 ...
>  $ Site_IndNum : Factor w/ 1044 levels "PYBR002A_001",..: 1 1 1 2 2 2 3 3 3
> 4 ...
>  .... ...
>  $ Area        : num  463.3 29.5 101.8 152.9 34.6 ...
>
> However, whenever I try to assign values, like this
>
> df2[j,1]<-df2$Site[i]
>
> the values are changed from alphanumeric (e.g. PYBR003A) to numerals (e.g.
> 1).
>
> Does anyone know why this is happening and how I can assign the actual
> values from df1 to df2?
>
> Thanks in advance,
>
> Wade
>
>        [[alternative HTML version deleted]]
>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?