Estimate Smooth and Linear Trends from Population Count Survey Data

Documentation for package ‘poptrend’ version 0.2.0

change	Compute the change in the population over a time interval.
checkFit	Check goodness of fit of a trend model.
goldcrest	Data for goldcrest from the Swedish Bird Survey.
greenfinch	Data for greenfinch from the Swedish Bird Survey.
hessBootstrap	Compute bootstrap confidence intervals based on sampling from the variance-covariance matrix.
plot.trend	Plot an estimated trend.
poptrend	Analyze population trends from survey count data.
print.trend	Print a trend object.
ptrend	Fit a smooth or linear trend to count survey data.
simTrend	Simulate population survey data.
summary.trend	Summary of trend estimates
trend	Define a trend component.