Evaluation of Tweedie Exponential Family Models
Overview
Maximum likelihood computations for Tweedie families, including the series expansion (Dunn and Smyth, 2005; doi:10.1007/s11222-005-4070-y) and the Fourier inversion (Dunn and Smyth, 2008; doi:10.1007/s11222-007-9039-6), and related methods.
Summary
Minor fixes and improvements
Changed
- Added details input to dtweedie_series(), that returns the lo and hi index for the summing of terms. Other necessary changes made downstream.
- Added (tweedie_integrand(), tweedie_profile()) and improved (tweedie_plot()) the passing of plotting parameters.
Fixed
- Fixed tweedie_integrand: Plot 2 now plots cos( Im k(t) ) for the PDF (not sin).
From NEWS.md in the release
Install
Health
- OK13 OK2026-08-04
- NOTE12 OK, 1 NOTE2026-08-01
- OK14 OK2026-03-23
- ERROR11 OK, 3 ERROR2026-03-10
Documentation
- Help pages
- 15includes a package overview page
- Examples that run
- 100%14 run in a plain check
- Exported functions with examples
- 100%
- Documented parameters
- 98%
- Return-value docs
- 86%
- Help pages citing references
- 80%
- tweedie HTML
Downloads
Dependencies
Installing tweedie adds 4 packages (3 with compiled code, 1.6 MB of source tarballs). Heaviest: rlang 766 KB, cli 629 KB, lifecycle 105 KB.
Show all 28 packagesHide all 28 packages
Code & Tests
Datasets
People & History
Maintainer since 1.01 (2004)
Pick two releases to compare their code metrics.
- 3.1.0Latest
- RR 4.6.0 released · 2026-04-24
- 3.0.192026-04-22 · diff ↗
- 3.0.172026-02-27 · diff ↗
- 3.0.162026-02-26 · diff ↗
- 3.0.152026-02-26 · diff ↗
- 3.0.142026-02-16 · diff ↗
- 3.0.122026-02-07 · diff ↗
- 3.0.102026-02-06 · diff ↗ ·
removed 1 export
pattern:^[^\\.]added 27 exports
AICtweedie, dtweedie, dtweedie.inversion, dtweedie.saddle, dtweedie.series, dtweedie_inversion, dtweedie_saddle, dtweedie_series, logLiktweedie, ptweedie, ptweedie.inversion, ptweedie.series, ptweedie_inversion, ptweedie_series, qtweedie, rtweedie, tweedie.convert, tweedie.dev, tweedie.plot, tweedie.profile, tweedie_AIC, tweedie_convert, tweedie_dev, tweedie_integrand, tweedie_lambda, tweedie_plot, tweedie_profile - RR 4.5.0 released · 2025-04-11
- RR 4.4.0 released · 2024-04-24
- RR 4.3.0 released · 2023-04-21
- 2.3.52022-08-17 · diff ↗
- RR 4.2.0 released · 2022-04-22
- RR 4.1.0 released · 2021-05-18
- 2.3.32021-01-20 · diff ↗
Show 50 earlier eventsHide 50 earlier events
- RR 4.0.0 released · 2020-04-24
- RR 3.6.0 released · 2019-04-26
- RR 3.5.0 released · 2018-04-23
- 2.3.22017-12-14 · diff ↗
- 2.3.12017-11-16 · diff ↗
- 2.3.02017-11-08 · diff ↗
- RR 3.4.0 released · 2017-04-21
- 2.2.52016-12-19 · diff ↗
- RR 3.3.0 released · 2016-05-03
- RR 3.2.0 released · 2015-04-16
- 2.2.12014-06-06 · diff ↗
- RR 3.1.0 released · 2014-04-10
- RR 3.0.0 released · 2013-04-03
- 2.1.72013-01-15 · diff ↗
- 2.1.52012-11-01 · diff ↗
- 2.1.32012-09-24 · diff ↗
- 2.1.22012-09-14 · diff ↗
- RR 2.15.0 released · 2012-03-30
- 2.1.1
- RR 2.14.0 released · 2011-10-31
- 2.1.02011-06-09 · diff ↗
- RR 2.13.0 released · 2011-04-13
- RR 2.12.0 released · 2010-10-15
- 2.0.72010-09-30 · diff ↗
- 2.0.52010-08-27 · diff ↗
- RR 2.11.0 released · 2010-04-22
- 2.0.22009-11-17 · diff ↗
- RR 2.10.0 released · 2009-10-26
- 2.0.02009-08-10 · diff ↗
- 1.6.82009-07-18 · diff ↗
- 1.6.72009-06-30 · diff ↗
- 1.6.62009-06-19 · diff ↗
- RR 2.9.0 released · 2009-04-17
- 1.6.22009-02-16 · diff ↗
- 1.6.12009-02-06 · diff ↗
- RR 2.8.0 released · 2008-10-20
- RR 2.7.0 released · 2008-04-22
- RR 2.6.0 released · 2007-10-03
- 1.5.22007-09-01 · diff ↗
- 1.5.12007-05-03 · diff ↗
- RR 2.5.0 released · 2007-04-24
- RR 2.4.0 released · 2006-10-03
- 1.22006-09-05 · diff ↗
- RR 2.3.0 released · 2006-04-24
- RR 2.2.0 released · 2005-10-06
- RR 2.1.0 released · 2005-04-18
- 1.022004-12-27 · diff ↗
- RR 2.0.0 released · 2004-10-04
- 1.012004-09-30
- RR 1.9.0 released · 2004-04-12
Package metadata
- First published
- 2004-09-30
- Total releases
- 35 / 22 yrs
- License
- GPL (>= 2) OSI
- Minimum R
- ≥ 2.8.0
- Download size
- 1.8 MB
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("tweedie")The package provides a citation file that builds its entry when R runs it. Run citation() to see it.
Cite the R Observatory
For a number measured here: a download total, a coverage figure, an archival date.
From data release v2026-10-18, which the citation names so these numbers can be found later. More on citing and the projects behind them.