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The top documents tagged [t function of x]
Building multivariable survival models with time-varying effects: an approach using fractional polynomials Willi Sauerbrei Institut of Medical Biometry
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Use of FP and Other Flexible Methods to Assess Changes in the Impact of an exposure over time Willi Sauerbrei Institut of Medical Biometry and Informatics
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Patrick Royston MRC Clinical Trials Unit, London, UK
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Use of FP and Other Flexible Methods to Assess Changes in the Impact of an exposure over time
32 views