All Questions
Tagged with adehabitathr spatial
8 questions
0
votes
0
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17
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Brownian bridge kernel method (BBKM) in adehabitatHR: 'subscript out of bounds' error for home range getverticeshr ()
I have a dataframe with 5-minutes relocation data recorded for several days and for 500+ cows. I created a loop to calculate the daily explored area (home range) of each cow using the minimum convex ...
- 37
0
votes
1
answer
234
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geom_sf missing geometry with SpatialPolygonsDataFrame
I'm working with some GPS collared animals and using LoCoH.a function in the adehabitatHR package to generate a SpatialPolygonsDataFrame.
library(tidyverse)
library(lubridate)
library(adehabitatHR)
...
- 31
0
votes
1
answer
255
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Combining two or more estUDm objects into a single estUDm object
I know it is possible to combine multiple estUD objects into a single class-estUDm object using:
tot <- list(estUD1=estUD1, estUD2=estUD2, estUD3=estUD3)
class(tot) <- "estUDm"
...
- 131
0
votes
1
answer
218
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questionable home range values with mcp() (minimum convex polygon) in R
I am trying to calculate the home range of a whole species and seperate two groups based on sex. I used mcp() and it runs but the output is questionable.
Here is my data
library(raster)
library(dismo)...
2
votes
1
answer
750
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MCP Home range with AdehabitatHR too small
I'm new to spatial analysis using R. I'm trying to calculate daily home ranges (MCP 100, later 95 and 50 %) using mainly the adehabitatHR package in R. I used a script provided by my colleague and it ...
2
votes
2
answers
801
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"Error in kernelUD: At least 5 relocations required to fit a home range" but have many more than 5 relocations per group
I have been making kernel density home range estimations for canid groups in an area by population and per pack across various temporal scales. However, when I attempt to run kernelUD on a subset for ...
- 99
-2
votes
2
answers
432
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Converting my dates into a POSIXct class
I'm currently working my way through the adehabitatLT package.
I've put my date_time column into characters and named it da:
da<-as.character(dat$date_time)
head(da)
[1] "7/08/2015 0:22" "7/08/...
- 5
0
votes
0
answers
179
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R Subset Data from Spatialdataframe
I am trying to analyze spatial data in R. I ran into problems trying to subset my data for the analysis. First of all my raw data had this format. The Dataframe is called "locs":
AnID X ...
- 1