[R] Logical operator in R

[Rmh]

FAQ 7.31

in this case subtract the two numbers and see that
they differ by about 1e-16

Sent from my iPhone

> On Jan 22, 2016, at 10:46, 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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