Very cool. Thanks!
-Original Message-
From: "Henrique Dallazuanna [via R]"
To: Lipori, Gigi
Sent: 08/10/2010 05:18:25 PM
Subject: Re: Intersecting list vs rows in matrix
Try this:
colSums(apply(List_2, 1, is.element, List_1)) > 0
On Tue, Aug 10, 2010 at 5:42 PM, GL wrote:
>
Try this:
colSums(apply(List_2, 1, is.element, List_1)) > 0
On Tue, Aug 10, 2010 at 5:42 PM, GL wrote:
>
> Know that if I have List_1 and List_2 that I can check to see if the
> intersect via the code below:
>
> List _1:
> a, b, c, d, e, f, g
> List_2:
> z, y, x, w, v, u, b
> length(intersect
Hi GL,
Erik has given a data.frame solution. If you data is a list with unequal
lengths, try lapply.
-
A R learner.
--
View this message in context:
http://r.789695.n4.nabble.com/Intersecting-list-vs-rows-in-matrix-tp2320427p2320463.html
Sent from the R help mailing list archive at Nabble.
GL wrote:
Know that if I have List_1 and List_2 that I can check to see if the
intersect via the code below:
List _1:
a, b, c, d, e, f, g
List_2:
z, y, x, w, v, u, b
length(intersect(List_1, List_2)) > 0
return = true
If instead I wanted to check a dataframe that is a "list of lists," ho
Know that if I have List_1 and List_2 that I can check to see if the
intersect via the code below:
List _1:
a, b, c, d, e, f, g
List_2:
z, y, x, w, v, u, b
length(intersect(List_1, List_2)) > 0
return = true
If instead I wanted to check a dataframe that is a "list of lists," how
would I do t
5 matches
Mail list logo
