PurpuraInk Consulting- Chicago, IL & San Juan, PR

Multiple

• SAS SPSS Stata- UCLA Academic Technology Services- lots of information and online videos

SPSS

• IBM developer site
• SPSS–online training workshops- CMU
• UCLA Academic Technology Services- lots of information and online videos
• Norusis Site
• Raynald’s SPSS Tools Page
• SPSS Wiki
• Dummies Guide to SPSS
• Texas A&M

SAS

• SAS 9.2
• Linear Models- Hanneman

SPSS

• SPSS
• SPSS

Stata

• Stata
• Notepad ++–SAS/Stata programmable

blogs

• The Stata Blog- Official
• StatisticsSolutions blogspot
• TalkStats- blog
• The Stata Things blogspot
• Stata Daily blogspot
• TalkStats:stata

R

• Dirk Eddelbuettel Papers

Rasch Measurement/ IRT

• RUMM
• Winsteps

Software Packages

• GPOWER- power analysis
• HLM
• Mixor- Hedeker
• IRT- suggested programs list
• Medcalc
• MiniTab
• Mystat
• NCSS/PASS
• Sigmaplot
• SSI Lisrel
• Statistica
• Stats Packages–Wikipedia
• Systat
• The R Project for Statistical Computing