Displaying 2 results from an estimated 2 matches for "codetot".
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 BCPy...
2009 Apr 10
4
split a character variable into several character variable by a character
...ot; "02" "02" "02" "02" "02" "03"
hth,
Adrian
On Friday 10 April 2009, Mao Jianfeng wrote:
> Dear, R-lister,
>
> I have a dataframe like the followed. And, I want to split a character
> variable ("popcode", or "codetot") into several new variables. For example,
> split "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? Than...