Skip to content

pgam

Poisson-Gamma Additive Models

v0.4.17 · Aug 19, 2022 · GPL-3 | file LICENSE

Description

This work is an extension of the state space model for Poisson count data, Poisson-Gamma model, towards a semiparametric specification. Just like the generalized additive models (GAM), cubic splines are used for covariate smoothing. The semiparametric models are fitted by an iterative process that combines maximization of likelihood and backfitting algorithm.

Downloads

CRAN

288

Last 30 days

13935th

730

Last 90 days

3K

Last year

Trend: +63.6% (30d vs prior 30d)

r2u CRAN

40

Last 30 days

121

Last 90 days

399

Last year

Trend: -20% (30d vs prior 30d)

autoCRAN

1

Last 7 days

8

Last 30 days

0

All-time

autoCRAN-only: this name is served only by autoCRAN, so the count is exact.

CRAN Check Status

2 NOTE
11 OK
Show all 13 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc NOTE
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (2 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Washington Junger <wjunger@ims.uerj.br>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Washington",
                    family = "Junger",
                    role = c("aut", "cre"),
                    email = "wjunger@ims.uerj.br")
as necessary.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Washington Junger <wjunger@ims.uerj.br>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Washington",
                    family = "Junger",
                    role = c("aut", "cre"),
                    email = "wjunger@ims.uerj.br")
as necessary.

Check History

NOTE 11 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Jun 9, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Washington Junger <wjunger@ims.uerj.br>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Washington",
                    family = "Junger",
                    role = c("aut", "cre"),
                    email = "wjunger@ims.uerj.br")
as necessary.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Washington Junger <wjunger@ims.uerj.br>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Washington",
                    family = "Junger",
                    role = c("aut", "cre"),
                    email = "wjunger@ims.uerj.br")
as necessary.
WARNING 11 OK · 1 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE Jun 8, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Washington Junger <wjunger@ims.uerj.br>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Washington",
                    family = "Junger",
                    role = c("aut", "cre"),
                    email = "wjunger@ims.uerj.br")
as necessary.
WARNING r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Washington Junger <wjunger@ims.uerj.br>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Washington",
                    family = "Junger",
                    role = c("aut", "cre"),
                    email = "wjunger@ims.uerj.br")
as necessary.
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Washington Junger <wjunger@ims.uerj.br>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Washington",
                    family = "Junger",
                    role = c("aut", "cre"),
                    email = "wjunger@ims.uerj.br")
as necessary.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Washington Junger <wjunger@ims.uerj.br>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Washington",
                    family = "Junger",
                    role = c("aut", "cre"),
                    email = "wjunger@ims.uerj.br")
as necessary.

Version History

18 tracked
new 0.4.17 Mar 10, 2026
updated 0.4.17 ← 0.4.15 diff Aug 18, 2022
updated 0.4.15 ← 0.4.12 diff Jan 23, 2018
updated 0.4.12 ← 0.4.11 diff Jan 12, 2012
updated 0.4.11 ← 0.4.9 diff Jan 2, 2011
updated 0.4.9 ← 0.4.8 diff Jun 16, 2009
updated 0.4.8 ← 0.4.7 diff Dec 17, 2007
updated 0.4.7 ← 0.4.6 diff Apr 17, 2007
updated 0.4.6 ← 0.4.5 diff Sep 22, 2006
updated 0.4.5 ← 0.4.4 diff May 11, 2006
updated 0.4.4 ← 0.4.3 diff Oct 4, 2005
updated 0.4.3 ← 0.4.2 diff May 3, 2005
updated 0.4.2 ← 0.4.1 diff Mar 6, 2005
updated 0.4.1 ← 0.4.0 diff Feb 13, 2005
updated 0.4.0 ← 0.3.4 diff Aug 26, 2004