Displaying 2 results from an estimated 2 matches for "p3need".
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2009 Apr 09
2
failed when merging two dataframes, why
Hi, R-listers,
Failed, when I tried to merge df1 and df2 by "codetot" in df1 and "codetoto"
in df2. I want to know the reason and how to merge them together. Data
frames and codes I have used were listed as followed. Thanks a lot in
advance.
df1:
popcode codetot p3need
BCPy01-01 BCPy01-01-1 100.0000
BCPy01-01 BCPy01-01-2 100.0000
BCPy01-01 BCPy01-01-3 100.0000
BCPy01-02 BCPy01-02-1 92.5926
BCPy01-02 BCPy01-02-1 100.0000
BCPy01-02 BCPy01-02-2 92.5926
BCPy01-02 BCPy01-02-2 100.0000
BCPy01-02 BCPy01-02-3 92.5926
BCPy01-02 BCPy01-02-3 100.0000
BCPy01-03 BCPy01-03-...
2009 Apr 10
4
split a character variable into several character variable by a character
...it "BCPy01-01" (popcode[1]) into "BCPy01" and "01". I need to know how
> to do that. I have tried strsplit() and substring() functions. But, I still
> can not perform the spliting.
>
> Any advice? Thanks in advance.
>
> df1:
> popcode codetot p3need
> BCPy01-01 BCPy01-01-1 100.0000
> BCPy01-01 BCPy01-01-2 100.0000
> BCPy01-01 BCPy01-01-3 100.0000
> BCPy01-02 BCPy01-02-1 92.5926
> BCPy01-02 BCPy01-02-1 100.0000
> BCPy01-02 BCPy01-02-2 92.5926
> BCPy01-02 BCPy01-02-2 100.0000
> BCPy01-02 BCPy01-02-3 92.5926
> BCPy01...