Re: [R] adding up elements within a list

2011-05-17 Thread Martin Hughes
Brilliant! Thanks Martin Quoting Henrique Dallazuanna : Try this: sapply(intvl.period.myrs, sum) On Tue, May 17, 2011 at 1:13 PM, Martin Hughes wrote: Dear R users I have a list, as follows: intvl.period.myrs $Devonian [1] 4.8 4.2 9.5 5.7 $Ordovician [1]  7.2  5.1 10.2  1.9 $Silu

Re: [R] adding up elements within a list

2011-05-17 Thread Henrique Dallazuanna
Try this: sapply(intvl.period.myrs, sum) On Tue, May 17, 2011 at 1:13 PM, Martin Hughes wrote: > > > Dear R users > > I have a list, as follows: > >> intvl.period.myrs > > $Devonian > [1] 4.8 4.2 9.5 5.7 > > $Ordovician > [1]  7.2  5.1 10.2  1.9 > > $Silurian > [1] 4.7 3.0 7.8 2.0 3.3 1.6 2.6 2.

[R] adding up elements within a list

2011-05-17 Thread Martin Hughes
Dear R users I have a list, as follows: intvl.period.myrs $Devonian [1] 4.8 4.2 9.5 5.7 $Ordovician [1] 7.2 5.1 10.2 1.9 $Silurian [1] 4.7 3.0 7.8 2.0 3.3 1.6 2.6 2.7 I want to write a loop that will sum up the values in each part, and give me a vector containing the (in this case 3)