Last data update: 2014.03.03

R: Single observer point count data example from Distance
ptdata.distanceR Documentation

Single observer point count data example from Distance

Description

Single observer point count data example from Distance

Format

The format is 144 obs of 6 variables: distance: numeric distance from center observer: Factor w/ 2 levels "1","2": 1 2 1 2 1 2 1 2 1 2 ... detected: numeric 0/1 object: sequential object number Sample.Label: point label Region.Label: single region label

Examples


data(ptdata.distance)
xx <- ddf(dsmodel = ~cds(key="hn", formula = ~1), data = ptdata.distance,
          method = "ds", meta.data = list(point=TRUE))
summary(xx)
plot(xx,main="Distance point count data")
ddf.gof(xx)
Regions <- data.frame(Region.Label=1,Area=1)
Samples <- data.frame(Sample.Label=1:30,
                      Region.Label=rep(1,30),
                      Effort=rep(1,30))
print(dht(xx,sample.table=Samples,region.table=Regions))

Results