[R] A logical comparison between two character strings in R

[Spencer Graves]

Did you check any documentation on R, e.g., help(Comparison) or 
"www.r-project.org" -> Manuals -> "An Introdunction to R"?  In Section 
2.4 on "Logical vectors", I find, "The logical operators are <, <=, >, 
 >=, == for exact equality ... ."  Consider the following:

 > "A-1-B" == "cc-10000"
[1] FALSE

hope this helps.  spencer graves



Lun Li wrote:
> Dear All,
> 
> Does anyone know how to compare two character strings in R?  For eample, how 
> to compare "A-1-B" with "cc-10000" in logical ?
> 
> Cheers,
> 
> 
> Lun Li
> 
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