Description Usage Arguments Value See Also Examples
This function computes eventspecific incidence rate ratios between two groups. Each group is given by a covariate value.
1  irates.ratio(irates, covar.code, ci.fun = NULL, ci.level = NULL)

irates 

covar.code 
A vector of character or numerical values that specifies the covariate values in 
ci.fun 
A character value out of c(“lin”, “log”) that specifies the confidence interval function, either linear or logtransformed. If 
ci.level 
A numerical value between 0 and 1 that specifies the level for the twosided confidence interval. If 
An object of class irates.ratio
. This object is implemented as a list of the (besides prespecified) following items:
irr 
Competing events incidence rate ratios 
var 
Variance estimates for competing events incidence rate ratios 
conf.lower 
Lower confidence interval corresponding to prespecified function and level 
conf.upper 
Upper confidence interval corresponding to prespecified function and level 
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15  ### Example data.frame with aggregated count data
dat < data.frame(
times = c(7948,2899),
no.event = c(6,8),
event.1 = c(589,68),
event.2 = c(55,21),
row.names = c("covar0","covar1"))
### Compute irates object from dat
ir < irates(dat)
### Compute incidence rate ratios from irates object
irates.ratio(
ir,
covar.code = c("covar1", "covar0"))

Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.