calcWO.formula {hce} | R Documentation |
Win odds calculation using formula syntax
Description
Win odds calculation using formula syntax
Usage
## S3 method for class 'formula'
calcWO(x, data, ...)
Arguments
x |
an object of class formula. |
data |
a data frame. |
... |
additional parameters. |
Value
a data frame containing the win odds and its confidence interval. It contains the following columns:
WO calculated win odds.
LCL lower confidence limit.
UCL upper confidence limit.
SE standard error of the win odds.
WOnull win odds of the null hypothesis (specified in the
WOnull
argument).alpha two-sided significance level for calculating the confidence interval (specified in the
alpha
argument).Pvalue p-value associated with testing the null hypothesis.
WP calculated win probability.
LCL_WP lower confidence limit for
WP
.UCL_WP upper confidence limit for
WP
.SE_WP standard error of the win probability.
SD_WP standard deviation of the win probability, calculated as
SE_WP
multiplied bysqrt(N)
.N total number of patients in the analysis.
formula returning the specified formula in the
x
argument.ref showing how the reference group was selected. Can be modifying by specifying the
ref
argument.
References
Gasparyan SB et al. "Adjusted win ratio with stratification: calculation methods and interpretation." Statistical Methods in Medical Research 30.2 (2021): 580-611. doi:10.1177/0962280220942558
See Also
calcWO()
, calcWO.hce()
, calcWO.data.frame()
.
Examples
#Example 1
data(HCE1)
calcWO(AVAL ~ TRTP, data = HCE1)
#Example 2
calcWO(GROUP ~ TRTP, data = COVID19, ref = "Placebo", alpha = 0.01)