[R] Logical operator in R

[Bert Gunter]

FAQ 7.31

-- Bert


Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Fri, Jan 22, 2016 at 7:46 AM, li li <hannah.hlx at gmail.com> wrote:
> Hi all,
>   I encountered the following strange phenomenon.
> For some reason, the obs_p[1] and res1$st_p[89] have
> the same value but when I run "==", it returns FALSE.
> Can anyone help give some explanation on this?
>   Thanks very much!
>     Hanna
>
>> obs_p[1]
> [1] 0.002201438
>> res1$st_p[89]
> [1] 0.002201438
>> res1$st_p[89]==obs_p[1]
> [1] FALSE
>> res1$st_p[89]<obs_p[1]
> [1] FALSE
>> res1$st_p[89]>obs_p[1]
> [1] TRUE
>
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>
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