Free Statistical Software
Free Statistical Software
Decision Analyst provides free, easy-to-use statistical software packages for Marketing Researchers:
STATS™ Mobile includes the following calculators:
- Sample size determination
- Survey margin of error
- Difference of two means
- Difference of two percentages
- Paired-comparison test
- Descriptive statistics from uploaded data (such as mean, standard deviation, and variance)
Decision Analyst ChoiceModelR™
ChoiceModelR™ is an open-source software package written in R language by Decision Analyst statistical programmers. It is designed to analyze data from choice modeling experiments across a wide array of industries, based on surveys of how target market consumers react to many different marketing and product stimuli at different price points (i.e., different scenarios). ChoiceModelR™ is ideal for large datasets with complex variables. This software replicates the functionality of the best commercial choice modeling programs. The program assumes that the choice modeling experiment (the data-collection phase) has been conducted and the data are ready to analyze. The software runs within the R platform and includes the following features:
- Dependent variable may be either discrete (nominal or ordinal) or shared (continuous between zero and one).
- Constraints may be imposed on model parameters.
- Number of choice observations per decision maker (e.g., respondent) may vary.
- Number of choice alternatives per choice observation may vary.
To run ChoiceModelR™, users must have a basic understanding of choice modeling and R language, and they must download R language. Both ChoiceModelR™ and R language are open source and free.
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If you experience any difficulties please email webmaster@decisionanalyst.com.
If you have marketing questions you would like to discuss, please contact Jerry W. Thomas, CEO (jthomas@decisionanalyst.com) or call 1-800-ANALYSIS (262-5974) or 1-817-640-6166.
ChoiceModelR
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