fractional polynomials
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- Dominant language
- HTML
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Description
We should update the sections on polynomial expansions with this technique. See:
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Royston, P., G. Ambler, and W. Sauerbrei. 1999. “The Use of Fractional Polynomials to Model Continuous Risk Variables in Epidemiology.” International Journal of Epidemiology 28 (5): 964–74.
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Royston, Patrick, and Douglas G. Altman. 1994. “Regression Using Fractional Polynomials of Continuous Covariates: Parsimonious Parametric Modelling.” Journal of the Royal Statistical Society. Series C, Applied Statistics 43 (3): 429.
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———. 1997. “Approximating Statistical Functions by Using Fractional Polynomial Regression.” Journal of the Royal Statistical Society: Series D (The Statistician) 46 (3): 411–22.
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Sauerbrei, W., and P. Royston. n.d. “Building Multivariable Prognostic and Diagnostic Models: Transformation of the Predictors by Using Fractional Polynomials.”
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Inspect the website sections covering polynomial expansions and compare their current treatment with the fractional-polynomial papers cited in the issue. Update the relevant sections to cover this technique, with the documentation reflecting the referenced sources.
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Assessment
- Tech stack
- html
- Domain
- content, documentation
- Issue type
- Documentation
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100