[R] subset

[Martin Becker]

elyakhlifi mustapha wrote:
> hello,
>
>   
>> subset(swiss, Agriculture > 60 & Examination != c(14,16), select = c(Agriculture,Examination,Catholic))
>>     

Try %in% :

subset(swiss, Agriculture > 60 & Examination %in% c(14,16), select = c(Agriculture,Examination,Catholic))

        Agriculture Examination Catholic
Broye          70.2          16    92.85
Glane          67.8          14    97.16
Veveyse        64.5          14    98.61
Aubonne        67.5          14     2.27
Rolle          60.8          16     7.72

Regards,

  Martin

>              Agriculture Examination Catholic
> Broye               70.2          16     3.30
> Glane               67.8          14     4.20
> Aigle               62.0          21     5.16
> Avenches            60.7          19     5.23
> Cossonay            69.3          22     5.62
> Echallens           72.6          18     6.10
> Lavaux              73.0          19     9.96
> Oron                71.2          12    16.92
> Paysd'enhaut        63.5           6    24.20
> Conthey             85.9           3    58.33
> Entremont           84.9           7    84.84
> Herens              89.7           5    90.57
> Martigwy            78.2          12    91.38
> Monthey             64.9           7    92.85
> St Maurice          75.9           9    93.40
> Sierre              84.6           3    96.83
> Sion                63.1          13    97.16
> Warning message:
> la longueur de l'objet le plus long
>         n'est pas un multiple de la longueur de l'objet le plus court in: Examination != c(14, 16) 
>
> As this example shows I'd like to know if it's possible to drop several lines for example here to drop severals lines from Examination
> thanks
>
>
>       
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