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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