News blog


Getting Started with pomp2

23 December 2018

The “Getting Started with pomp” vignette has been completely rewritten for pomp version 2. If you are new to pomp, or want to get up to speed on the changes coming in pomp version 2, have a look! The vignette is available here.


Upgrade Guide updates

22 December 2018

The pomp Version 2 Upgrade Guide has been revised. It now includes before-and-after examples of codes rewritten for pomp version 2. This is meant to help you revise pomp version <2 codes to take advantage of the new features.

As a reminder, an alpha-release preview of pomp version 2 is available as pomp2 on the pomp website. Do

install.packages("pomp2",repos="https://kingaa.github.io")

to install it. It is possible to have both pomp (version <2) and pomp2 installed simultaneously during workflow migration.

Around the middle of 2019, pomp2 will be renamed pomp and uploaded to CRAN as version 2.1. From that point forward, there will be no support for older versions of pomp.


pomp version 2 released as pomp2

15 December 2018

Version 2 of pomp, with major improvements, is on its way! Because it is not fully backward-compatible, pomp version 2 is being made available temporarily as the pomp2 package. pomp2 is not available on CRAN but source and binaries can be downloaded from the pomp website. See the installation page for instructions.

pomp2 will be phased out, replaced by version 2 of pomp, around the middle of 2019. At that point, pomp versions <2 will no longer be supported.

It is recommended that users begin making the transition to version 2 now. An upgrade guide is available to help you transition your codes to the new version. In the interim period, you can have both pomp and pomp2 installed on your system simultaneously.


pomp version 1.19 released

14 December 2018

pomp version 1.19 is now available on CRAN. Source and binaries will soon be visible on a CRAN mirror near you.

Important note

Version 2 of pomp, with major improvements, is on its way. Because it is not fully backward-compatible, pomp version 2 is being made available temporarily as the pomp2 package. pomp2 is not available on CRAN but source and binaries can be downloaded from the pomp website. See the installation page for instructions.

pomp2 will be phased out, replaced by version 2 of pomp, around the middle of 2019. At that point, pomp versions <2 will no longer be supported.

It is recommended that users begin making the transition to version 2 now. An upgrade guide is available to help you transition your codes to the new version. In the interim period, you can have both pomp and pomp2 installed on your system simultaneously.

Release notes

pomp version 1.19 includes bug fixes and some feature enhancements.

User-visible changes

API and implementation changes

See the package NEWS for more details.


pomp version 1.18 released

09 July 2018

pomp version 1.18 is now available on CRAN and will soon be visible on a CRAN mirror near you. This release includes bug fixes and some feature enhancements.

User-visible changes include:

See the package NEWS for more details.


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This software has been made possible by support from the U.S. National Science Foundation (Grants #EF-0545276, #EF-0430120), by the “Inference for Mechanistic Models” Working Group supported by the National Center for Ecological Analysis and Synthesis (a Center funded by N.S.F. (Grant #DEB-0553768), the University of California, Santa Barbara, and the State of California), and by the RAPIDD program of the Science & Technology Directorate, Department of Homeland Security and the Fogarty International Center, U.S. National Institutes of Health.