DSpat: Spatial Modelling for Distance Sampling Data

Fits inhomogeneous Poisson process spatial models to line transect sampling data and provides estimate of abundance within a region.

Author
Devin Johnson, Jeff Laake, Jay VerHoef
Date of publication
2014-12-12 14:39:42
Maintainer
Jeff Laake <Jeff.Laake@noaa.gov>
License
GPL (>= 2)
Version
0.1.6

View on CRAN

Man pages

create.covariate.images
Create a list of covariate images
create.lines
Create a systematic sample of parallel lines across a grid
create.points.by.offset
Create point dataframe offset from line
dist2line
Compute perpendicular distances and projections onto line
dspat
Fits spatial model to distance sampling data
DSpat.covariates
Raster covariates study area
DSpat.lines
Example DSpat lines dataframe
DSpat.obs
Observation dataframe for DSpat
DSpat-package
Spatial modelling package for distance sampling data
integrate.intensity
Integrated intensity of fitted model
internal
Internal DSpat functions
lgcp.correction
Calculate Overdispersion factor for IPP fit via Monte Carlo...
lines.to.strips
Convert lines to transects (strips)
LTDataFrame
Creates covariate dataframes
offset.points
Offset points from the line to actual position
project2line
Project points onto line
quadscheme.lt
Create line transect quadrature for spatstat
sample.points
Sample points within each transect and filter with specified...
simCovariates
Simulates covariates for an example in DSpat
simDSpat
Simulate a distance sample from a specified spatial point...
simPts
Simulates point process on a rectangular grid
transect.intensity
Compute expected and observed counts by distance within...
weeds
Dubbo weed data
weeds.all
Dubbo weed data with constructed y-coordinate
weeds.covariates
Covariate grid for Dubbo weed data
weeds.lines
Transect lines from Dubbo weed data
weeds.obs
Observations from Dubbo weed data

Files in this package

DSpat
DSpat/NAMESPACE
DSpat/NEWS
DSpat/data
DSpat/data/weeds.rda
DSpat/data/weeds.lines.rda
DSpat/data/weeds.all.rda
DSpat/data/weeds.covariates.rda
DSpat/data/DSpat.lines.rda
DSpat/data/DSpat.obs.rda
DSpat/data/DSpat.covariates.rda
DSpat/data/weeds.obs.rda
DSpat/R
DSpat/R/simPts.r
DSpat/R/lgcp.correction.R
DSpat/R/sample.points.R
DSpat/R/create.covariate.images.R
DSpat/R/lines.to.strips.R
DSpat/R/integrate.intensity.R
DSpat/R/create.lines.r
DSpat/R/transect.intensity.r
DSpat/R/create.points.by.offset.R
DSpat/R/dist2line.R
DSpat/R/internal.R
DSpat/R/simDSpat.r
DSpat/R/offset.points.R
DSpat/R/dspat.R
DSpat/R/quadscheme.lt.R
DSpat/R/LTDataFrame.R
DSpat/R/project2line.R
DSpat/R/simCovariates.r
DSpat/R/zzz.R
DSpat/MD5
DSpat/DESCRIPTION
DSpat/man
DSpat/man/weeds.all.Rd
DSpat/man/weeds.covariates.Rd
DSpat/man/project2line.Rd
DSpat/man/weeds.lines.Rd
DSpat/man/dist2line.Rd
DSpat/man/lgcp.correction.Rd
DSpat/man/internal.Rd
DSpat/man/quadscheme.lt.Rd
DSpat/man/transect.intensity.Rd
DSpat/man/lines.to.strips.Rd
DSpat/man/DSpat.obs.Rd
DSpat/man/create.points.by.offset.Rd
DSpat/man/create.lines.Rd
DSpat/man/weeds.obs.Rd
DSpat/man/simCovariates.Rd
DSpat/man/simDSpat.Rd
DSpat/man/DSpat.covariates.Rd
DSpat/man/sample.points.Rd
DSpat/man/offset.points.Rd
DSpat/man/simPts.Rd
DSpat/man/DSpat-package.Rd
DSpat/man/DSpat.lines.Rd
DSpat/man/LTDataFrame.Rd
DSpat/man/create.covariate.images.Rd
DSpat/man/integrate.intensity.Rd
DSpat/man/dspat.Rd
DSpat/man/weeds.Rd