我試圖在R中使用'relsurv'軟件包來比較隊列與國家生命表的生存期。下面的代碼使用relsurv中的示例顯示了我的問題,但更改了生命表數據。我剛剛在下面的生命表數據中使用了兩年和兩年的時間,實際數據要大得多,但也會出現相同的錯誤。該錯誤是'無效的速率表參數',但我已經按照示例生命表'slopop'和'survexp.us'格式化了它。格式化生命表以用於生存分析
library(survival)
library(relsurv)
data(rdata) # example data from relsurv
raw = read.table(header=T, stringsAsFactors = F, sep=' ', text='
Year Age sex qx
1980 30 1 0.00189
1980 31 1 0.00188
1981 30 1 0.00191
1981 31 1 0.00191
1980 30 2 0.00077
1980 31 2 0.00078
1981 30 2 0.00076
1981 31 2 0.00074
')
ages = c(30,40) # in years
years = c(1980, 1990)
rtab = array(data=NA, dim=c(length(ages), 2, length(years))) # set up blank array: ages, sexes, years
for (y in unique(raw$Year)){
for (s in 1:2){
rtab[ , s, y-min(years)+1] = -1 * log(1-subset(raw, Year==y&sex==s)$qx)/365.24 # probability of death in next year, transformed to hazard (see ratetables help)
}
}
attributes(rtab)$dimnames[[1]] = as.character(ages)
attributes(rtab)$dimnames[[2]] = c('male','female')
attributes(rtab)$dimnames[[3]] = as.character(years)
attributes(rtab)$dimid <- c("age", "sex", 'year')
attributes(rtab)$dim <- c(length(ages), 2, length(years))
attributes(rtab)$factor = c(0,0,1)
attributes(rtab)$type = c(2,1,4)
attributes(rtab)$cutpoints[[1]] = ages*365.24 # must be in days
attributes(rtab)$cutpoints[[2]] = NULL
attributes(rtab)$cutpoints[[3]] = as.date(paste("1Jan", years, sep='')) # must be date
attributes(rtab)$class = "ratetable"
# example from relsurv
rsmul(Surv(time,cens) ~ sex+as.factor(agegr)+
ratetable(age=age*365.24, sex=sex, year=year),
data=rdata, ratetable=rtab, int=1)