Dear forum members,
Today, I upgraded my R with 3.0.2. I was going to use my old code for MCP
calculation using adehabitat. But when I was going use mcp.area calculation
it says, i do need gpclib. Unfortunately new version of R don't have gpclib
packages. I was trying to do with adehabitatHR but now luck yet. could
anyone help to calculated mcp.area from my data.
I have used following code for my calculation.
mcpdata1<-read.csv("DataMCPKernel.csv",header=T)
attach(mcpdata1)
XY=mcpdata1[,c("x","y")]
id=mcpdata1[,c("Stage")]
HrMcp<-mcp.area(XY,id)
#When I do run above command following error message pop up.
Loading required package: gpclib
Failed with error: ‘‘gpclib’ is not a valid installed package’
Error in mcp.area(XY, id) : package gpclib required
I would greatly appreciate if you get me any suggestion (I tried to follow
adehabitatHR example but sorry to say not having any luck with my data).
My data:
Stage x y
incubation 646446.9 5213729
incubation 646395.1 5213765
incubation 646395.1 5213765
incubation 646395.1 5213765
incubation 646382.5 5213783
incubation 646395.1 5213765
incubation 646395.5 5213746
incubation 646665 5213605
incubation 645684.8 5213821
incubation 646396 5213727
incubation 648337.4 5214609
incubation 643467.4 5214935
incubation 646395.1 5213765
incubation 642319.7 5214203
incubation 646244.7 5214224
incubation 643306.7 5214227
Kind regards
Lutfor
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