Statistics Resources
Sample Size and Power Calculation
- http://www.dssresearch.com/toolkit/default.asp
- http://hedwig.mgh.harvard.edu/sample_size/size.html
- Download:
http://biostat.mc.vanderbilt.edu/twiki/bin/view/Main/PowerSampleSize - http://www.biostat.ucsf.edu/sampsize.html
Collection of Online Calculators
- http://graphpad.com/quickcalcs/index.cfm
- http://faculty.vassar.edu/lowry/VassarStats.html l
- http://www.physics.csbsju.edu/stats/
- http://www.hutchon.net/Calcmenu.htm
- http://statpages.org
- http://www.hutchon.net/Calcmenu.htm Lehrtexte zur Statistik
Educational Texts in Statistics
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Comparing two or more groups (t-tests, nonparametric tests, analysis of variance)
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Contingency Tables (Chi2 -Tests, Fisher's Exact Test, McNemar-Test)
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Correlation and Regression
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Survival Analysis
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Diagnostic Tests (sensitivity, specificity, predictive values)
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Epidemiology (Odds Ratio, Relative Risk, NNT)