dplyr: Grand Totals

[BHM]

Hi,

First and foremost, dplyr improves, what all ready seemed magic. A lot of appreciation is definitely due.

A simple example:
# ``````````````````````````````````````````````````````````````````
customer = 1:3
profit = c(10,40,20)
df.1 = data.frame(cus = customer, pro = profit)


df.2 = df.1 %.%
mutate (cum.p = cumsum(pro), per.t.pro = round(cum.p / sum(cum.p),2))
# ``````````````````````````````````````````````````````````````````


gives:

cus pro cum.p per.t.pro
1    10   10      0.08
2    40   50      0.38
3    20   70      0.54

Question:
Is it possible to have grand totals at the bottom , or at the right most.

For e.g. a row at the bottom giving all the totals, something as follows:

cus pro cum.p per.t.pro
1    10   10      0.08
2    40   50      0.38
3    20   70      0.54
      70   70      1.00




// Cheers

[Hadley Wickham]

It's not currently possible, but I've added it to the do list:
https://github.com/hadley/dplyr/issues/218

Hadley

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[Burhan ul haq]

Great, thanks.

// Cheers