Package: poptrend 0.2.0

Jonas Knape

poptrend: Estimate Smooth and Linear Trends from Population Count Survey Data

Functions to estimate and plot smooth or linear population trends, or population indices, from animal or plant count survey data.

Authors:Jonas Knape [aut, cre]

# Install 'poptrend' in R:

install.packages('poptrend', repos = c('https://jknape.r-universe.dev', 'https://cloud.r-project.org'))

Datasets:

On CRAN:

Last updated 10 months agofrom:72235c5c01. Checks:OK: 7. Indexed: yes.

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