Re: [R] Is xyz point inside 3d convex hull?

2014-10-13 Thread Keith Jewell
Back in 2009 I posted some code to this list, see: I submitted the function 'inhull' to the geometry package maintainer, but I don't think it was ever included. HTH Keith J On 12/10/2014 21:24, Don McKenzie wrote: Check the R-news a

Re: [R] Is xyz point inside 3d convex hull?

2014-10-12 Thread Don McKenzie
Check the R-news archive with approrpriate keywords. There was a long exchange awhile back when I asked a similar question. On Oct 12, 2014, at 1:20 PM, Camilo Mora wrote: > Hi everyone, > > I wonder if there is a code in r that can generate a 3d convex hull from a > data-frame containing 3

[R] Is xyz point inside 3d convex hull?

2014-10-12 Thread Camilo Mora
Hi everyone, I wonder if there is a code in r that can generate a 3d convex hull from a data-frame containing 3 columns and then use another database with the same three columns and for each row determine if the xyz point is inside or not the convex hull generated with the first database? The