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library(SEERaBomb);library(ggsci);library(bbmle)
load("~/data/SEER/mrgd/cancDef.RData")
load("~/data/SEER/mrgd/popsae.RData")#loads popsae
(D=incidSEER(canc,popsae,"CML"))
(D=D%>%filter(age>=20,age<=80,year>=2000)%>%mutate(ageG=cut(age,seq(20,80,5))))
(D=D%>%group_by(sex,race,ageG)%>%
summarize(age=mean(age),py=sum(py),n=sum(n))%>%mutate(incid=n/py))
summary(mm1<-mle2(n~dpois(lambda=exp(c+k*(age-50))*py),
#parameters=list(c~sex,k~sex),#k no diff
parameters=list(c~sex,k~race),#kW-O P=7e-8
method="Nelder-Mead",start=list(c=0,k=0.04),data=D))
D$EI=predict(mm1)/D$py#same as D=D%>%ungroup()%>%mutate(EI=predict(mm1)/py)
qplot(age,incid,col=sex,shape=sex,data=D)+facet_grid(~race)+geom_line(aes(y=EI))+
labs(x="Age (years)",y=quote(paste("CML Cases per ",10^5," Person Years")))+
scale_y_log10(breaks=c(1,2,5))+scale_x_continuous(breaks=c(25,50,75))+
scale_color_jco()+theme_classic(base_size = 13)+
theme(legend.title=element_blank(),legend.margin=margin(0,0,0,0),
strip.background=element_blank(),
legend.position=c(.45,.91),legend.key.height=unit(.7,'lines'))
ggsave("~/Results/tutorial/incidCML.pdf",width=4,height=3)
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