Displaying 6 results from an estimated 6 matches for "minz".
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2012 Dec 03
1
Resampling Help Needed
...n would be a big help. Thanks!
Nathan
#read data files (.csv's with 200 rows of x,y,z coordinates)
a<-read.csv("A_PW_ASY_M_LII_2011.csv")
#calls the plug-in bandwidth estimator
Ha <- Hpi(a)
#sets min/max grid size for each dimension
minX<-min(a$X)-25
minY<-min(a$Y)-25
minZ<-0
maxX<-max(a$X)+25
maxY<-max(a$Y)+25
maxZ<-max(a$Z)+5
#creates kernel utilization distribution
fhata <- kde(x=a, H=Ha, binned=FALSE, xmin=c(minX,minY,minZ),
xmax=c(maxX,maxY,maxZ))
#calculates territory volume at 95% isopleth
Vol95<-contourSizes(fhata, cont=95)
--
View th...
2006 Feb 23
1
Need a hint
...(sapply(z,class)!="matrix")==0)
w<-length(z)
zrange<-sapply(z,range,na.rm=T)
stopifnot(class(critmat)%in%c("matrix","data.frame"),dim(critmat)==c(w,2))
critarea<-matrix(data=0,nrow=dim(z[[1]])[1],ncol=dim(z[[1]])[2])
for(i in 1:w) {
minz<-ifelse(is.na(critmat[i,1]),zrange[1,i],critmat[i,1])
maxz<-ifelse(is.na(critmat[i,2]),zrange[2,i],critmat[i,2])
critarea<-critarea+apply(z[[i]],c(1,2), function(x) ifelse(x>minz & x<maxz,1,0))
}
critarea<-apply(critarea,c(1,2), function(x) ife...
2019 Aug 08
3
Producing different text formats in R
...n(window, ntile) {
# Creates a grid of points in a 3D orthohedron.
# First point lies at the (mix,miny,miz) corner of the volume and the last one at (maxx,maxy,maxz)
# window: vector. Contains the minimum and maximum values of a 3D orthohedron
# window <- c(minx, maxx, miny, maxy, minz, maxz)
# ntile: vector. Number of points per dimension minus one. We manually add a extra row of points per dimension
# ntile <- c(nstepx, nstepy, nstepz)
M <- prod(ntile+1)
mat <- matrix(NA,M,4)
mat[,1] <- 1:M # id column
# step length per dimension
hi <- (wi...
2019 Aug 08
0
Producing different text formats in R
...oints in a 3D orthohedron.
Llu?s> # First point lies at the (mix,miny,miz) corner of the volume and the last one at (maxx,maxy,maxz)
Llu?s> # window: vector. Contains the minimum and maximum values of a 3D orthohedron
Llu?s> # window <- c(minx, maxx, miny, maxy, minz, maxz)
Llu?s> # ntile: vector. Number of points per dimension minus one. We manually add a extra row of points per dimension
Llu?s> # ntile <- c(nstepx, nstepy, nstepz)
Llu?s> M <- prod(ntile+1)
Llu?s> mat <- matrix(NA,M,4)
Llu?s> mat[,1]...
2008 Dec 11
4
how to plot implicit functions
Dear R users --
I think this question was asked before but there was no reply to it.
I would appreciate any suggestion any of you might have. I am
interested in plotting several "implicit functions" (F(x,y,z)=0) on
the same fig. Is there anyone who has an example code of how to do
this?
Thank you
Yihsu
2003 Dec 01
0
No subject
...E
for <samba@lists.samba.org>; Mon, 21 May 2001 07:34:21 -0700 (PDT)
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From: Minze Chien <mchien@bionetrix.com>
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Subject: Newbie question: Session request failed (Code:0)
Date: Mon, 21 May 2001 10:37:14 -0400
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