[R] Summation resulting in a list?
Daniel Malter
daniel at umd.edu
Mon Jul 11 21:30:07 CEST 2011
Use the tapply() function as in tapply(b,m,sum)
HTH,
Daniel
mousy0815 wrote:
>
> ...
>
> I wanted to get the sum of the probability at all the values of "b" (ie.
> Probability(10, 0.1, 1, 1, 4, 5) + Probability(10, 0.1, 1, 2, 4, 5)... +
> Probability(10, 0.1, 1, 9, 4, 5). For that I can just use the sum()
> function right?
> But since m is the time steps, is it possible for me to input m and b and
> get the sum mentioned before at each value of m?
> So like ((Probability(10, 0.1, 1, 1, 4, 5) + Probability(10, 0.1, 1, 2, 4,
> 5)... + Probability(10, 0.1, 1, 9, 4, 5)), Probability(10, 0.1, 2, 1, 4,
> 5) + Probability(10, 0.1, 2, 2, 4, 5)... + Probability(10, 0.1, 2, 9, 4,
> 5)...)
>
> ...
>
--
View this message in context: http://r.789695.n4.nabble.com/Summation-resulting-in-a-list-tp3660514p3660576.html
Sent from the R help mailing list archive at Nabble.com.
More information about the R-help
mailing list