Statistical for teaching and data analyzing

Laima Berzina Ilva Rudusa Latvia University of Agriculture ContentsContents

 Problem position  Statistical analysis in the environment  alternatives to SPSS  Free statistical software  Software for questionnaire analysis  Conclusions ProblemProblem positionposition SPSSSPSS SPSSSPSS FreeFree StatisticalStatistical SoftwareSoftware -- InteractiveInteractive StatisticalStatistical CalculationCalculation PagesPages FreeFree StatisticalStatistical SoftwareSoftware -- InteractiveInteractive StatisticalStatistical CalculationCalculation PagesPages ((ResultsResults )) StatisticalStatistical analysisanalysis inin thethe MicrosoftMicrosoft ExcelExcel environmentenvironment

 XLSTAT  Analyse-it  WinSTAT  statistiXL  XLStatistics XLSTATXLSTAT XLSTATXLSTAT XLSTATXLSTAT CommercialCommercial softwaresoftware alternativesalternatives toto SPSSSPSS





 SYSTAT  STATGRAPHICS   SAS/STAT Prof.Prof. JohnJohn A.A. WassWass classificationclassification ofof softwaresoftware

 Intermediate  These packages are far more comprehensive and offer extensive diagnostics and graphics. While retaining many of the ease-of-use features  SPSS, MYNITAB, SYSTAT  Advanced  These programs are quite a bit more than the part-time statistician of modest needs would use, but are included as they meet the most demanding requirements and are capable of handling almost any layer of complexity through programming extensions  SAS, STATISTICA STATISTICASTATISTICA STATISTICASTATISTICA FreeFree statisticalstatistical softwaresoftware

 -Project FreeFree statisticalstatistical softwaresoftware

 PSPP FreeFree statisticalstatistical softwaresoftware

 PSPP FreeFree statisticalstatistical softwaresoftware

 MYSTAT MYSTATMYSTAT SoftwareSoftware forfor questionnairequestionnaire analysisanalysis SphinxSphinx SurveySurvey

 The integrated software solution for questionnaire design, data entry, quantitative and qualitative analysis, data mining, Internet surveys and report generation  Survey Shaker: the web-based solution for quick and successful surveys  Sphinx IQ: the reference software for all your quantitative/qualitative studies  Sphinx Connect: the online collect and sharing platform SoftwareSoftware forfor questionnairequestionnaire analysisanalysis StatPacStatPac SoftwareSoftware forfor questionnairequestionnaire analysisanalysis SnapSnap SurveysSurveys

 The Snap Surveys software is powerful survey system for questionnaire design, publishing, data collection and analysis  Supports all survey modes such as: Online, E-Mail, Paper, Scanning, Phone...  Quick and easy survey set-up with "in-house" styles templates and question libraries  Robust analysis capability to manage results as tables (cross-tabs, frequencies, grids), charts (2D & 3D) and reports with multivariate statistic  Scanning Module scan paper questionnaires/forms and verify data TheThe PopularityPopularity ofof DataData AnalysisAnalysis SoftwareSoftware byby RobertRobert A.A. MuenchenMuenchen

Plot of listserv discussion traffic by year (through 7/31/2011). TheThe PopularityPopularity ofof DataData AnalysisAnalysis SoftwareSoftware byby RobertRobert A.A. MuenchenMuenchen

Impact of data analysis software on academic publications as measured by hits on Google Scholar. ConclusionsConclusions

 Online statistical software could be valuable for statistics teaching, but not for serious data analysis according to several limitations  The use of free statistical software packages depends of data analysis needs. User has great possibilities to choose the most appropriate software. Quite good choice could be PSPP and MYSTAT or R language. However, this language requires extensive learning and training for students with no programming skills  There are the professional commercial statistics packages that can be good alternative to SPSS. However, those are often expensive and in many cases beyond the means of the students or individual users  The separate course “Statistical software” could be valuable for students after mathematical statistics studies to acquire skills for work with appropriate software