i2extras adds additional functionality to the incidence2 package.
The main features of the package include:
fit_curve()
and growth_rate()
: fit a trend (poisson / negative
binomial) to an incidence2
object and calculate the associated
growth rate.
add_rolling_average()
: add a rolling average to an incidence2
object.
bootstrap()
: generates a bootstrapped incidence2
object by
re-sampling, with replacement, the original dates of events.
find_peak()
: locates the peak time of the epicurve.
estimate_peak()
: uses bootstrap to estimate the peak time (and
related confidence interval) of a partially observed outbreak.
You can install the released version of {i2extras} from CRAN with:
install.packages("i2extras")
An overview of i2extras is provided in the included vignettes:
vignette("peak_estimation", package = "i2extras")
vignette("fitting_epicurves", package = "i2extras")
Bug reports and feature requests should be posted on github using the issue system. All other questions should be posted on the RECON slack channel see https://www.repidemicsconsortium.org/forum/ for details on how to join.
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