BMC Medical Research Methodology

Table 2 Modelling strategy recommendations when the mean incidence of adverse outcome was 20%

From: Clinical prediction in defined populations: a simulation study investigating when and how to aggregate existing models

σ	n _train
	150	250	500	1000	5000	10000
0	SR	SR	Either	Either	Either	Either
0.125	SR	SR	Either	Either	Either	Either
0.25	SR	SR	Either	Either	Either	Either
0.375	SR	SR	Either	Either	Ridge	Ridge
0.5	SR	SR	Either	Ridge	Ridge	Ridge
0.75	SR	SR	Ridge	Ridge	Ridge	Ridge
1.00	SR	SR	Ridge	Ridge	Ridge	Ridge

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ISSN: 1471-2288

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