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S-Plus is also commercial software it is listed here next to R, which is freeware software that is an implementation of the S programming language, and was originally developed at Auckland University. OpenEpi is opensource software based on the EpiInfo programme: it is implemented and run through a web-browser interface 4, and therefore does not require any installation (although this also limits the functionality.) SPSS (formerly known as SPSS for many years, and for a brief period as PASW before the company was purchased by IBM, who probably wondered why not to use the well-known brandname), SAS, and Stata are commercial software programmes. EpiInfo is freeware software originally developed by the Center for Disease Control in Atlanta, Georgia 3.
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Both Excel and Access are often pre-installed on Windows computers in the University. An appendix summarises several details on each programme, such as cost, supported operating systems (OS), and other details General features and points to note Some of the following details are also noted in the appendix. This designation describes the complexity of the statistical analysis available in the programme rather than the skill level required to use the programme: for example, most statistical tests are harder to calculate in Excel than in EpiInfo or SPSS. 2 Summary of available statistical software Table 1 is a brief rundown of some common statistical software programmes, classified into basic, intermediate, and advanced programmes. If you d like to see a more comprehensive list of statistical packages, or to get more details on a particular package discussed here, it might be worth visiting Wikipedia at of statistical packages Feedback on the contents or usefulness of this document is appreciated. detection of a change in the shape of a trend over time), and are beyond the (current) scope of this document. sample size estimation, or a particular type of test such as analysis of variance) or are developed for a more specialised purpose (e.g.
Many more programmes exist that either perform just a single type of analysis (e.g. All of the programmes listed below are used by one or more biostatisticians at the University of Otago, Wellington, and so at least some support can be provided for these programmes (be aware that different biostatisticians have different preferences, and different levels of expertise in any given package.) All of the programmes described beyond the basic level here are what might be called multipurpose statistical software 1 : they can handle a variety of statistical procedures. 1 Notes on computer programmes for statistical analysis James Stanley Biostatistical Consulting Service University of Otago, Wellington Original file Last updated Contents 1 General notes 2 2 Summary of available statistical software General features and points to note Details on specific programmes The basic options Excel and Access OpenEpi The intermediate options EpiInfo SPSS/PASW The advanced options SAS Stata R/S-Plus Concluding remarks 7 Appendix: Summary of programmes 10 1Ģ 1 General notes This document is intended to give a brief summary of the pros and cons of several commonly used data analysis programmes.
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