Estimate Smooth and Linear Trends from Population Count Survey Data
Compute the change in the population over a time interval.
Check goodness of fit of a trend model.
Compute bootstrap confidence intervals based on sampling from the vari...
Plot an estimated trend.
Analyze population trends from survey count data.
Print a trend object.
Fit a smooth or linear trend to count survey data.
Simulate population survey data.
Summary of trend estimates
Define a trend component.
Functions to estimate and plot smooth or linear population trends, or population indices, from animal or plant count survey data.