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incubate: Parametric Time-to-Event Analysis with Variable Incubation Phases

Fit parametric models for time-to-event data that show an initial 'incubation period', i.e., a variable delay phase where no events occur. The delayed Weibull distribution serves as the foundational data model. For parameter estimation, different flavours of maximum likelihood estimation ('MLE') and the method of maximum product of spacings estimation ('MPSE') are implemented. Bootstrap confidence intervals for parameters and significance tests in a two group setting are provided.

Version: 1.4.0
Depends: R (≥ 3.5.0)
Imports: future (≥ 1.21), future.apply (≥ 1.6), glue (≥ 1.4), MASS, minqa, purrr (≥ 0.3), rlang (≥ 0.4), stats, survival, tibble
LinkingTo: cpp11
Suggests: boot, dplyr, future.callr, ggplot2 (≥ 3.3), knitr, numDeriv, patchwork, rmarkdown, spelling, testthat (≥ 3.0.0), tidyr, withr
Published: 2026-03-22
DOI: 10.32614/CRAN.package.incubate
Author: Matthias Kuhn ORCID iD [aut, cre, cph]
Maintainer: Matthias Kuhn <matthias.kuhn at tu-dresden.de>
BugReports: https://gitlab.com/imb-dev/incubate/-/issues/
License: LGPL (≥ 3)
URL: https://gitlab.com/imb-dev/incubate/
NeedsCompilation: yes
Language: en-GB
Materials: README, NEWS
CRAN checks: incubate results

Documentation:

Reference manual: incubate.html , incubate.pdf
Vignettes: Distributions with Delay (source, R code)

Downloads:

Package source: incubate_1.4.0.tar.gz
Windows binaries: r-devel: incubate_1.4.0.zip, r-release: incubate_1.4.0.zip, r-oldrel: incubate_1.4.0.zip
macOS binaries: r-release (arm64): incubate_1.4.0.tgz, r-oldrel (arm64): incubate_1.3.0.tgz, r-release (x86_64): incubate_1.4.0.tgz, r-oldrel (x86_64): incubate_1.4.0.tgz
Old sources: incubate archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=incubate to link to this page.

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.
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