Free statistical software: Difference between revisions

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Harumi Itoa and Darin Lee, Journal of Economics and Business, Volume 57, Issue 1, January–February 2005, Pages 75-95. Assessing the impact of the September 11 terrorist attacks on U.S. airline demand. doi 10.1016/j.jeconbus.2004.06.003. Also available here http://www.brown.edu/Departments/Economics/Papers/Papers/2003/2003-16_paper.pdf</ref> EpiInfo was also used in several papers,<ref>
Rahav G, Gabbay R, Ornoy A, Shechtman S, Arnon J, Diav-Citrini O. Primary versus nonprimary cytomegalovirus infection during pregnancy, Israel. Emerg Infect Dis [serial on the Internet]. 2007 Nov [May 15, 2009]. Available from https://www.cdc.gov/EID/content/13/11/1791.htm</ref><ref>
Chan P-C, Huang L-M, Wu Y-C, Yang H-L, Chang I-S, Lu C-Y, et al. Tuberculosis in children and adolescents, Taiwan, 1996–2003. Emerg Infect Dis [serial on the Internet]. 2007 Sep. Available from https://www.cdc.gov/EID/content/13/9/1361.htm</ref><ref>{{cite journal | last1 = Gyasi | first1 = ME | last2 = Amoaku | first2 = WMK | last3 = Adjuik | first3 = MA | date = December 2007 | title = Epidemiology of Hospitalized Ocular Injuries in the Upper East Region of Ghana | journal = Ghana Med J. | volume = 41 | issue = 4| pages = 171–175 | pmc=2350113 | pmid=18464900}}</ref> R was used in a number of papers<ref>{{cite journal | last1 = Handcock | first1 = Mark S. | last2 = Hunter | first2 = David R. | last3 = Butts | first3 = Carter T. | last4 = Goodreau | first4 = Steven M. | last5 = Morris | first5 = Martina | year = 2008 | title = statnet: Software Tools for the Representation, Visualization, Analysis and Simulation of Network Data | journal = J Stat Softw | volume = 24 | issue = 1| pages = 1548–7660 | pmc=2447931 | pmid=18618019| doi = 10.18637/jss.v024.i01 | doi-access = free}}</ref><ref>{{cite journal | last1 = Hume | first1 = Michael E. | last2 = Scanlan | first2 = Charles M. | last3 = Harvey | first3 = Roger B. | last4 = Andrews | first4 = Kathleen | last5 = Snodgrass | first5 = James D. | last6 = Nalian | first6 = Armen G. | last7 = Martynova-Van Kley | first7 = Alexandra | last8 = Nisbet | first8 = David J. | year = 2008 | title = Denaturing Gradient Gel Electrophoresis as a Tool To Determine Batch Similarity of Probiotic Cultures of Porcine Cecal Bacteria | url= | journal = Applied and Environmental Microbiology | volume = 74 | issue = 16| pages = 5241–5243 | doi=10.1128/aem.02580-07 | pmid=18586972 | pmc=2519268| bibcode = 2008ApEnM..74.5241H }}</ref><ref>{{cite journal | last1 = Bylesjö | first1 = Max | last2 = Nicholson | first2 = Jeremy K | last3 = Holmes | first3 = Elaine | last4 = Trygg | first4 = Johan | year = 2008| title = K-OPLS package: Kernel-based orthogonal projections to latent structures for prediction and interpretation in feature space | journal = BMC Bioinformatics | volume = 9| page = 106 | doi = 10.1186/1471-2105-9-106 | pmid=18284666 | pmc=2323673 | doi-access = free }}</ref> and WinIdams was used in other papers.<ref>{{cite journal | last1 = Sapre | first1 = N. S. | last2 = Pancholi | first2 = N. | last3 = Gupta | first3 = S. | year = 2008 | title = Computational Modeling of Substitution Effect on HIV–1 Non–Nucleoside Reverse Transcriptase Inhibitors with Kier–Hall Electrotopological State (E–state) Indices, Internet Electron | url = http://www.biochempress.com/cv07_i03.html | journal = Internet Electronic Journal of Molecular Design | volume = 7 | pages = 55–67 }}</ref><ref>{{cite journal | last1 = Chawla | first1 = Anju | year = 2007| title = Exploring project selection behavior of academic scientists in India | journal = Research Evaluation | volume = 16 | issue = 1| pages = 35–45 | doi=10.3152/095820207x196768}}</ref>
 
While Microsiris doesn't appear to be used in academic research, the author of the program was one of the original authors of OSIRIS,<ref>Data Sharing for Demographic Research Knowledge Base, question on OSIRIS, University of Michigan, http://dsdr-kb.psc.isr.umich.edu/answer.html?i=1076 {{Webarchive|url=https://web.archive.org/web/20110720090824/http://dsdr-kb.psc.isr.umich.edu/answer.html?i=1076 |date=2011-07-20 }}</ref> which was the starting program from which WinIdams was developed.<ref name=micwin>IDAMS, Internationally Developed Data Analysis and Management Software Package. WinIDAMS Reference Manual (release 1.3) UNESCO, 2008. Preface. http://portal.unesco.org/ci/en/ev.php-URL_ID=25081&URL_DO=DO_TOPIC&URL_SECTION=-465.html</ref> The author of Microsiris also has contributed or co-contributed several components to WinIdams.<ref name=micwin/>
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Most of the packages have online manuals, guides or help pages. These are useful when there are questions about specific procedures or statistical tests. Some manuals or guides are for [[R (programming language)|R]],<ref name=Rintro>R Development Core Team. An Introduction to R. Version 2.8.1 (2008-12-22). {{ISBN|3-900051-12-7}}. https://cran.r-project.org/doc/manuals/R-intro.html</ref> [[PSPP]],<ref name=psppref>Documentation, No Date Given. PSPP. https://www.gnu.org/software/pspp/documentation.html</ref> and [[Zelig]].<ref name=zelig>{{cite web|url= http://GKing.Harvard.Edu/zelig|title= Zelig: Everyone's Statistical Software|author= Imai, Kosuke, Gary King and Olivia Lau|year= 2006}}</ref> The CDC EpiInfo site itself does not have a manual, but one faculty member from Emory's School of Public Health has an introductory manual.<ref name=epiinfoguide>Kevin M. Sullivan. Mar 3 2008. Introduction to Epi Info (Version 3.4.1) Analyze Data Module. http://www.sph.emory.edu/~cdckms/ {{Webarchive|url=https://web.archive.org/web/20110719191418/http://www.sph.emory.edu/~cdckms/ |date=2011-07-19 }}</ref>
 
 
Finally, there are a number of commercial packages such as [[SAS (software)|SAS]],<ref>{{Cite web | url=http://www.sas.com/ |title = Analytics, Business Intelligence and Data Management}}</ref> [[SPSS]]<ref>{{Cite web | url=http://www.spss.com/ |title = IBM SPSS Statistics - Overview}}</ref> and many others.<ref>Statistics.com list of commercial software http://www.statistics.com/resources/software/commercial/fulllist.php3 {{Webarchive|url=https://web.archive.org/web/20110304000040/http://www2.statistics.com/resources/software/commercial/fulllist.php3 |date=2011-03-04 }}</ref> Most of the major commercial and free packages have many statistical procedures in common. The main reason to use free packages is probably the cost.
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===Menu driven packages===
Many of the packages have some kind of opening menu that is used to get or enter the data, manipulate the data, and select the statistical analysis. Then after starting the program, generally data can be obtained, either from previously saved data sets, or importing from some other format. From this menu, data files in various formats can be imported. For example, if the data is in CSV form (text with commas between values), the program recognizes the format and creates a data set from the CSV file. Finally, the program can be used to do some analysis. In this analysis menu, the variables of interest can be selected, along with other options. Then the analysis is run and results are obtained.
 
===Statistics online===