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. 2007 Feb 12;6:15. doi: 10.1186/1476-4598-6-15

Figure 3.

Figure 3

Schoenfeld Residual Plot for βTrt2. Schoenfeld residual plot for βTrt2. The black solid line is β^ MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=vr0dc8meaabaqaciaacaGaaeqabaqabeGadaaakeaaiiGacuWFYoGygaqcaaaa@2E64@Trt2, a smooth function fit to the residuals, and the dotted line shows the actual dependence of βTrt2 on t (which is known in this case because the data have been simulated).