Message-ID: <513E0BD6.4060801@ucalgary.ca>
Date: 2013-03-11T16:52:38Z
From: Peter Ehlers
Subject: Re move row.names column in dataframe
In-Reply-To: <898248CB-9236-4619-BB3F-F4E1B2C5A66B@civitaslearning.com>
On 2013-03-11 06:07, Jorgen Harmse wrote:
> identical(df[1,],df[2,]) is FALSE because of the row names. all( == ) is just a work-around that I attempted.
>
> Jorgen.
I would just wrap the elements in c():
identical( c(df[1,]), c(df[2,]) )
Peter Ehlers
>
> On Mar 11, 2013, at 02:53 , PIKAL Petr wrote:
>
>>>
>>>> df <- data.frame(x=c(1,1,NA,NA), y=c(2,2,7,7))
>>>> identical(df[1,],df[2,])
>>> [1] FALSE
>>>> all(df[1,]==df[2,])
>>> [1] TRUE
>>>> all(df[3,]==df[4,])
>>> [1] NA
>>
>> I beg your pardon, whot does row names do with the above result? What do you expect as a result of
>>
>> all(df[3,]==df[4,])
>>
>> Regards
>> Petr
>>
>
>
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