[R] need some help on r

[Nicky Chorley]

>>Tdf
>
>       bin     TCC_TCA TCA_CR  TCC_CR  Time    sn.rnc
>
> 117  117     258     27    314 (08/28/08 00:09:42)  50.21
>
> 118  118     251     30    291 (08/28/08 00:09:47)  50.21
>
> 119  119     247     28    289 (08/28/08 00:09:52)  50.21
>
> 120  120     251     29    282 (08/28/08 00:09:57)  50.21
>
> 121  121     276     39    320 (08/28/08 00:10:02)  50.21
>
> 122    1     301     38    365 (08/28/08 00:00:02)  50.20
>
> 210    2     302     39    358 (08/28/08 00:00:07)  50.20
>
> 310    3     319     43    377 (08/28/08 00:00:12)  50.20
>
> 410    4     312     37    367 (08/28/08 00:00:17)  50.20
>
> I want to retrieve  50.20 records
>
> How can I get ?
>

A quick subset appears to do what you want:

subset(Tdf, sn.rnc == 50.20)

For more info: ? subset and you may want to look at
http://www.ats.ucla.edu/stat/splus/faq/subset_R.htm.

Regards,

Nicky Chorley