ICSS: Age standardisation weights from the ICSS scheme.
Description
Contains three sets age-standardisation weights for age-standardized survival (net, relative or observed).
Arguments
format
data.table with columns
age - lower bound of the age group
ICSS1 - first set of weights, sums to 100 000
ICSS2 - second set of weights, sums to 100 000
ICSS3 - third set of weights, sums to 100 000
source
http://seer.cancer.gov/stdpopulations/survival.html{ICSS weights (US National Cancer Institute website)}
Corazziari, Isabella, Mike Quinn, and Riccardo Capocaccia. "Standard cancer patient population for age standardising survival ratios." European Journal of Cancer 40.15 (2004): 2307-2316.
## aggregate weights to a subset of age groupsdata(ICSS)
cut <- c(0, 30, 50, 70, Inf)
agegr <- cut(ICSS$age, cut, right = FALSE)
aggregate(ICSS1~agegr, data = ICSS, FUN = sum)