[R] How to order an data.table by values of an column?

[Allan Engelhardt]

See help("order") and help("[.data.frame").


df <- 
data.frame(Categ=c(468,351,0,234,117),Perc=c(31.52,27.52,0.77,22.55,15.99))
df[order(df$Categ),]
#   Categ  Perc
# 3     0  0.77
# 5   117 15.99
# 4   234 22.55
# 2   351 27.52
# 1   468 31.52


Lesandro wrote:
> Hello!
>
> Can you help me? How to order an data.table by values of an column?
>
> Per example:
>
> Table no initial
>
> Categ Perc
> 468  31.52
> 351  27.52
> 0  0.77
> 234  22.55
> 117  15.99
>
> table final
>
> Categ Perc
> 0  0.77
> 117  15.99
> 234  22.55
> 351  27.52
> 468  31.52
>
> Lesandro
>
>
>
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>
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