Pricing:
Pricing is on an hourly basis. A reduced hourly rate is available for fixed, long term collaborations (minimum 6 hours/week)
Time required for data analysis:
Reproduced with permission from Derek Stephens (Biostatistics, Design and Analysis Unit, The Hospital for Sick Children, Toronto). Note that these amounts are estimates only. Data errors/anomalies found during data cleaning and/or analysis, changes to the scope of the project, and revisions needed for publication may substantially increase these values. Plan research budgets accordingly.
1. Basic I
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t-tests
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χ²-tests
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Descriptive stats
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Less than 5 variables to test against 2 groups
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Clean data by our standards
Estimated time: 5hrs
2. Basic II
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Includes Basic I
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Up to 20 variables
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ANOVA
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Some categorical data
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Classical designs
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Regressions -- model building with variables given by investigator
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Data modification
Estimated time: 20 hours
3. Intermediate I
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Includes Basic II
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Plus up to 30 variables
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Complicated repeated measures ANOVA
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Standard complex designs for categorical data
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Extensive modeling - variables to be defined by statistical methods
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A few multivariate techniques may be necessary
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Some data modification
Estimated time: 45 hours
4. Advanced
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Includes Intermediate I
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Plus up to 50 variables
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Complicated repeated measures ANOVA
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Nonstandard designs
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Nonstandard complex designs for categorical data - research required
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Extensive modeling - variables to be defined by statistical methods
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Multivariate techniques should be performed
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Data modification
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Write stats section - research required
Estimated time: 70-100 hours
5. Extensive Involvement
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Involvement in the study over several years
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Time and cost will be worked out with investigator