mrds: plot.det.tables – R documentation

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plot.det.tables

Observation detection tables

Description

Plot the tables created by det.tables. Produces a series of tables for dual observer data that shows the number missed and detected for each observer within defined distance classes.

Usage

## S3 method for class 'det.tables'
plot(
  x,
  which = 1:6,
  angle = NULL,
  density = NULL,
  col1 = "white",
  col2 = "lightgrey",
  new = TRUE,
  ...
)

Arguments

`x`	object returned by `det.tables`
`which`	items in x to plot (vector with values in 1:6)
`angle`	shading angle for hatching
`density`	shading density for hatching
`col1`	plotting colour for total histogram bars.
`col2`	plotting colour for subset histogram bars.
`new`	if `TRUE` new plotting window for each plot
`...`	other graphical parameters, passed to plotting functions

Details

Plots that are produced are as follows (controlled by the which argument):

1: Detected by either observer/Detected by observer 1
2: Detected by either observer/Detected by observer 2
3: Seen by both observers
4: Seen by either observer
5: Detected by observer 2/Detected by observer 1 | 2
6: Detected by observer 1/Detected by observer 2 | 1

Value

Just plots.

Author(s)

Jeff Laake, David L Miller

Examples

data(book.tee.data)
region <- book.tee.data$book.tee.region
egdata <- book.tee.data$book.tee.dataframe
samples <- book.tee.data$book.tee.samples
obs <- book.tee.data$book.tee.obs
xx <- ddf(mrmodel=~glm(formula=~distance*observer),
          dsmodel = ~mcds(key = "hn", formula = ~sex),
          data = egdata, method = "io", meta.data = list(width = 4))
tabs <- det.tables(xx,breaks=c(0,.5,1,2,3,4))
par(mfrow=c(2,3))
plot(tabs,which=1:6,new=FALSE)

mrds

Mark-Recapture Distance Sampling

v2.2.4

GPL (>= 2)

Authors

Jeff Laake <jeff.laake@noaa.gov>, David Borchers <dlb@st-and.ac.uk>, Len Thomas <len.thomas@st-and.ac.uk>, David Miller <dave@ninepointeightone.net> and Jon Bishop

Initial release