Description Usage Arguments Details References See Also
Confidence intervals for directly standardized rates based on the gamma distribution.
1 2 |
x |
a vector of stratum-specific counts of events |
w |
a vector of stratum-specific weights |
level |
confidence level for the returned confidence interval |
type |
type of modification for the gamma confidence interval |
... |
passed to |
Calls asht::wspoissonTest
with the appropriate
type modification for the gamma confidence interval (wmtype
) and
'mid.p'
value. Note that the 'mid.p'
method uses wmtype = 'max'
.
Fay MP (2017). 'asht
: Applied Statistical Hypothesis Tests'.
R
package version 0.9. ahst
Fay & Feuer (1997). 'Confidence intervals for directly standardized rates: a method based on the gamma distribution.' Statistics in Medicine. 16: 791–801. https://doi.org/10.1002/(SICI)1097-0258(19970415)16:7<791::AID-SIM500>3.0.CO;2-%23
Fay & Kim (2017). 'Confidence intervals for directly standardized rates using mid-p gamma intervals.' Biometrical Journal. doi: 10.1002/bimj.201600111.
Ng, Filardo, & Zheng (2008). 'Confidence interval estimating procedures for standardized incidence rates.' Computational Statistics and Data Analysis 52 3501–3516. doi: 10.1016/j.csda.2007.11.004
Tiwari, Clegg, & Zou (2006). 'Efficient interval estimation for age-adjusted cancer rates.' Statistical Methods in Medical Research 15: 547–569. doi: 10.1177/0962280206070621
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