{{Short description|Statistical analysis package based on R}}

{{Infobox software | title = jamovi | screenshot = Jamovi screenshot metaanalysis.jpg | logo = Jamovi logo.png | name = jamovi | latest release version = {{wikidata|property|preferred|references|edit|P348}} | latest release date = {{Start date and age|{{wikidata|qualifier|preferred|single|P348|P577}}|df=yes}} | latest preview version = | latest preview date = | repo = [https://github.com/jamovi Jamovi Github page] | programming language = C++, R, JavaScript, Python | operating system = {{#property:P400}} | language = {{#property:P407}} | genre = Statistics | license = GNU Affero General Public License and GNU General Public License | website = {{URL|https://www.jamovi.org/}} }}

'''jamovi''' (stylised in all lower-case) is a free and open-source computer program for data analysis and performing statistical tests. The core developers of jamovi are Jonathon Love, Damian Dropmann, and Ravi Selker, who were developers for the JASP project.<ref>{{Cite web |last=Edelsbrunner |first=Peter |date=2017-03-23 |title=Introducing jamovi: Free and Open Statistical Software Combining Ease of Use with the Power of R |url=https://blog.efpsa.org/2017/03/23/introducing-jamovi-free-and-open-statistical-software-combining-ease-of-use-with-the-power-of-r/ |access-date=2022-05-28 |website=JEPS Bulletin |language=en-US}}</ref>

== Software == jamovi is an open source graphical user interface for the R programming language.<ref>{{Cite book |last1=Richardson |first1=Paul |title=Jamovi for psychologists |last2=Machan |first2=Laura |date=2021 |others=Laura MacHan |isbn=978-1-352-01185-2 |edition=1st |location=London |language=en |oclc=1247685958}}</ref> It is used in statistical research, especially as a tool for ANOVA (analysis of variance) and to understand statistical inference.<ref>{{cite book |author1=Kamden K. Strunk |author2=Mwarumba Mwavita |title=Design and analysis in educational research using Jamovi: ANOVA designs |date=2021 |publisher=Routledge |location=Abingdon, Oxon |isbn=9780367723088 |url=https://www.routledge.com/Design-and-Analysis-in-Educational-Research-Using-jamovi-ANOVA-Designs/Strunk-Mwavita/p/book/9780367723088 |access-date=20 September 2022 |language=en}}</ref><ref>{{Cite book |last1=Hayhoe |first1=George F. |url=https://books.google.com/books?id=vvj2DwAAQBAJ&dq=Jamovi&pg=PT83 |title=A Research Primer for Technical Communication: Methods, Exemplars, and Analyses |last2=Brewer |first2=Pam Estes |date=2020-09-10 |publisher=Routledge |isbn=978-1-000-17775-6 |language=en}}</ref> It also can be used for linear regression,<ref name="bloompsych">{{Cite book |last1=Richardson |first1=Paul |url=https://books.google.com/books?id=S3FdEAAAQBAJ&q=linear+regression |title=Jamovi for Psychologists |last2=Machan |first2=Laura |date=2021-03-21 |publisher=Bloomsbury Publishing |isbn=978-1-350-92876-3 |language=en}}</ref> mixed models and Bayesian models.<ref>{{Cite book |last=Brysbaert |first=Marc |url=https://books.google.com/books?id=Ex1HEAAAQBAJ&dq=Jamovi&pg=PA494 |title=Basic Statistics for Psychologists |date=2019-10-05 |publisher=Bloomsbury Publishing |isbn=978-1-137-60747-8 |pages=494 |language=en}}</ref>

Data is entered into a spreadsheet interface<ref>{{Cite journal |last1=Şahin |first1=Murat |last2=Aybek |first2=Eren |date=2019-12-20 |title=Jamovi: An Easy to Use Statistical Software for the Social Scientists |journal=International Journal of Assessment Tools in Education |volume=6 |issue=4 |pages=670–692 |doi=10.21449/ijate.661803 |s2cid=213495330 |issn=2148-7456|doi-access=free }}</ref> that can be imported into jamovi. If data are changed, all calculations and analyses affected by the change are automatically updated.<ref name="bloompsych" /> The software includes a multinomial test to determine whether observed data differs from researchers' predictions.<ref>{{Cite book |last=Leppink |first=Jimmie |url=https://books.google.com/books?id=JOqaDwAAQBAJ&q=Statistical+testing+with+jamovi+and+JASP+open+source+software+Psychology |title=Statistical Methods for Experimental Research in Education and Psychology |date=2019-05-30 |publisher=Springer |isbn=978-3-030-21241-4 |pages=97–101 |language=en}}</ref>

== Extendibility == jamovi comes with a basic library of statistical and graphical procedures. In addition, users can install modules from a library of community created open source add-on modules to extend the package's capabilities.<ref>Davis, C. (ed.) (2019) ''Statistical testing with jamovi and JASP open source software Psychology.'' Vor Press.</ref><ref>{{Cite web |title=Module Development for jamovi |url=https://www.serdarbalci.com/ClinicoPathJamoviModule/articles/module_development_jamovi.html |access-date=2022-08-31 |website=www.serdarbalci.com |language=en}}</ref> These modules are written in the R programming language and make use of the jmv<ref>Selker R, Love J, Dropmann D, Moreno V (2022). jmv: The 'jamovi' Analyses. R package version 2.3.4, https://CRAN.R-project.org/package=jmv</ref> and jmvtools<ref>Love J (2022). jmvtools: tools to build jamovi modules. R package version 2.3.4.</ref> libraries to create the interface and display code. Numerous modules exist and can be accessed in the curated library within jamovi. Over 40 modules<ref name=":0">{{Cite web |title=jamovi library |url=https://www.jamovi.org/library.html |access-date=2022-08-31 |website=www.jamovi.org}}</ref> have been created by the jamovi community and extend the functionality of the program. These additional analyses include agreement and reliability analyses<ref>{{Cite journal |last=Caldwell |first=Aaron R. |date=2022-03-22 |title=SimplyAgree: An R package and jamovi Module for Simplifying Agreement and Reliability Analyses |journal=Journal of Open Source Software |volume=7 |issue=71 |pages=4148 |doi=10.21105/joss.04148 |bibcode=2022JOSS....7.4148C |s2cid=247636856 |issn=2475-9066|doi-access=free }}</ref> mediation models,<ref>Gallucci, M. (2019). jAMM: jamovi Advanced Mediation Models.[jamovi module].</ref><ref>Gallucci, M. (2021). PATHj: jamovi Path Analysis.[jamovi module].</ref> meta-analysis,<ref name=":0" /> power analysis,<ref>{{cite web |last=Morey |first=Richard |title=jpower |website=GitHub |date=2022-08-22 |url=https://github.com/richarddmorey/jpower |access-date=2022-08-31}}</ref> psychometrics,<ref>Hyunsoo Seol (2020). Understanding and using the jamovi statistical program (3rd ed.). Seoul: Hakjisa</ref> structural equation models,<ref>Gallucci, Marcello & Jentschke, Sebastian {{Citation |title=SEMLj: A Suite for Structural Equation Models for jamovi |date=2022-08-02 |url=https://github.com/semlj/semlj |publisher=semlj |access-date=2022-08-31}}</ref> survival analysis,<ref>{{Cite journal |last=Balcı |first=Serdar |date=2022-08-30 |others=Open Science Framework |title=ClinicoPath Jamovi Module |url=https://osf.io/9szud/ |doi=10.17605/OSF.IO/9SZUD}}</ref> and likelihood/evidential analyses.<ref>{{Cite web |last=Cahusac|first=Peter| title=Calculating Log Likelihood Ratios (LLRs) using the jeva module |url=https://blog.jamovi.org/2023/02/22/jeva.html |access-date=2023-05-03 }}</ref><ref>{{Cite journal |last=Cahusac|first=Peter |date=2023 |title=Log Likelihood Ratios for Common Statistical Tests Using the likelihoodR Package|url=https://journal.r-project.org/articles/RJ-2022-051/ |journal=The R Journal |volume=14 |issue=3|pages=203–212 |doi=10.32614/RJ-2022-051|s2cid=256128278 |issn=2073-4859|doi-access=free }}</ref> == Documentation == A detailed user manual is available for jamovi. Third party learning resources are also available including free books and video tutorials in multiple languages including Chinese, Hindi, Spanish, Korean, and Malayalam <ref>jamovi. (2023). Community. Retrieved April 6, 2023, from https://www.jamovi.org/community.html</ref>

== See also == {{Wikiversity}} * Comparison of statistical packages

== External links == * [https://www.jamovi.org/ Official website] * [https://www.jamovi.org/library.html jamovi modules library]

== References == {{reflist}}

Category:Free statistical software Category:Free R (programming language) software Category:Free software programmed in C++ Category:Free software programmed in JavaScript Category:Free software programmed in Python Category:Software using the GNU Affero General Public License Category:Software using the GNU General Public License