The package placer consist of two main functions to estimate the accumulation of plastic in bird's nest as a function of sample size, and a routine to plot the plastic prevalence probability, and their confidence intervals as a function of sample size.
The function plastic.prev.prob
calculates the plastic
prevalence probability for a given sample size based on presence and absence data
The function plastic.ci
estimates the 95% confidence intervals for a given
prevalence probability of plastic debris. In addition, the package placer includes a plotting
routine prevalence_plot
to show the estimated plastic prevalence probability and
their 95% confidence intervals as a function of sample size.
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