Extending the Quandt Ramsey Modeling to Survival Analysis
für 44.10€ kaufen ··· 9783844317770 ··· 10361114627 ··· The mixture of two regression regimes has been extensively studied in economics. The test of a mixture of regimes in hazard modeling would be seen to have fundamental importance in biostatistical research but has not been studied. A two-regime parametric mixture is proposed to model the effect of a single covariate on the event time. Typically, the Cox proportional hazards model is applied to estimate a single regime survival regression function. The mixture of two regimes model contains five parameters to be estimated namely, two parameters to describe each regime, and one to describe the mixing proportion. A software program developed for this research finds the maximum likelihood estimates of the parameters and the likelihood ratio test of the null hypothesis of a single regime against the alternative of a mixture of two regimes. A simulation study finds an approximation to the null distribution of the test and its approximate power. Hersteller: LAP Lambert Academic Publishing Marke: LAP Lambert Academic Publishing EAN: 9783844317770 Kat: Hardcover/Naturwissenschaften, Medizin, Informatik, Technik/Mathematik/Wahrscheinlichkeitstheorie, Stochastik, Mathematische Statistik Lieferzeit: Sofort lieferbar Versandkosten: Ab 20¤ Versandkostenfrei in Deutschland Icon: https://www.inforius-bilder.de/bild/?I=gu7cns6At3ekK24f%2BvTa63H7uAsVdS70itLtb1b8vHQ%3D Bild:
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