Simple Interactive Statistical Analysis

SISA allows you to do statistical analysis directly on the Internet. Click on one of the procedure names below, fill in the form, click the button, and the analysis will take place on the spot. Study the user friendly guides to statistical procedures to see what procedure is appropriate for your problem.

SISA will change! The reason is to make the procedures better useful for mobile phone and also to address the problem that more and more users complain that procedures are no longer working. Mostly this problem is caused by too strict settings regarding javascript on the users network. Using server site scripting such as php overcomes this problem, but that also means that many lines of programming need to be recoded and that errors will be made. Please report any comments or concerns you have regarding the changes to SISA. All comments are very much appreciated! For comparison purposes the old procedures remain available in a format such as: http://www.quantitativeskills.com/sisa/calculations/signifOld.htm. e-mail:

Statistics

T-test
Two by Two Table
Fisher Exact
Diagnostics
Pairwise
Ordinal Tests
Fisher 2*5
One-mean
Ordinal 2*5
Correlations
SMR-Exact
Sequential Probability Ratios

Calculations

Bonferroni
Sample Size
Power
Prevalence
Significance Testing
Reverse Significance
Response Rates
Logit
Rake

Random Numbers
Allocator
Order & Group
n out of N

Distributions

Poisson
Binomial
Hypergeometric
Negative Binomial
Negative Binomial
Gamma & Beta
Weibull

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