[R] I bet apply has a solution

[Rolf Turner]

No.  This does not do anything like what the OP wanted.
Did you ***try*** it, for crying out loud?

     cheers,

         Rolf Turner

On 07/02/12 08:29, ilai wrote:
> duplicated(Data..)
>
> On Mon, Feb 6, 2012 at 11:34 AM, LCOG1<jroll at lcog.org>  wrote:
>> Hi all
>> For the data below, I would like to return a logical value indicating
>> differences in the data.
>>
>> #Create data
>> Data..<-data.frame(a=rep(1,10),b=c(rep(1,9),2),c=c(rep(1,8),2,2))
>>
>>    a b c
>> 1  1 1 1
>> 2  1 1 1
>> 3  1 1 1
>> 4  1 1 1
>> 5  1 1 1
>> 6  1 1 1
>> 7  1 1 1
>> 8  1 1 1
>> 9  1 1 2
>> 10 1 2 2
>>
>>
>> So what I want is to return logical value telling me if all the values are
>> the same.  So the result would be a b c DidChange
>> 1  1 1 1     FALSE
>> 2  1 1 1     FALSE
>> 3  1 1 1     FALSE
>> 4  1 1 1     FALSE
>> 5  1 1 1     FALSE
>> 6  1 1 1     FALSE
>> 7  1 1 1     FALSE
>> 8  1 1 1     FALSE
>> 9  1 1 2      TRUE
>> 10 1 2 2      TRUE
>>
>> I bet apply could handle this elegantly but that family of functions is
>> still not 100% intuitive to me.  Thoughts.  Thanks everyone
>>
>> Cheers,
>>   Josh