[R] == operand

hadley wickham h.wickham at gmail.com
Wed Dec 10 01:23:18 CET 2008


On Tue, Dec 9, 2008 at 5:36 PM, Renny Li <rennyli at yahoo.com> wrote:
> Hi,
>
> I am trying to compare two values using "==" operand, please take a look of the following example (I copied ALL what I did here without deleting any line)
>
>>    bb<-1
>> cc<-50
>> cc==abs(bb+52)
> [1] FALSE
>> C<-53
>> C<-53
>> c<-53
>> cc==abs(bb+52)
> [1] FALSE

cc is 50.  bb is 1.  Why do you expect 50 to equal 1 + 52?  Perhaps
you meant to type cc <- 53 ?

Hadley


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