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peventm2
2006 Sep 19
0
How to interpret these results from a simple gamma-frailty model
...frailty values from M2
# Original risk score
rs<- age*beta[1]+tc*beta[2]+hdlc*beta[3]+sbp*beta[4]+diab*beta[5]+smok*beta[6]
pevent <- exp(-10*lambda)^(exp(rs)) # Original 10-year risk
rsM1<- (cf[i,1,1]*age+cf[i,1,2]*tc+cf[i,1,3]*hdlc+cf[i,1,4]*sbp+cf[i,1,5]*diab+cf[i,1,6]*smok)
peventM1 <- exp(-10*lambda)^(exp(rsM1))
rsM2<- (cf[i,1,1]*age+cf[i,1,2]*tc+cf[i,1,3]*hdlc+cf[i,1,4]*sbp+cf[i,1,5]*diab+cf[i,1,6]*smok)
peventM2 <- exp(-10*lambda)^(estv*exp(rsM1))
# Proportion of more accurate predictions
pred <- sum(abs(pevent-peventM2) < abs(pevent-peventM1))/n
print(...