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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")The development version of {i2extras} can be installed from GitHub with:
remotes::install_github("reconverse/i2extras", build_vignettes = TRUE)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.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.