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