Description Usage Arguments Value Author(s)
View source: R/02.ParepareDataWithinSites.R
Summarize event counts and total person-time of survival outcome (coded 0 or 1) classified by a grouping variable. Intended for summarizing these counts by the binary treatment groups. When there are empty cells, the event counts and the total person-time are both forced to be zeros.
1 | SummarizeEventsPtBy(event, time, by, data)
|
event |
variable name of a binary event indicator variable (coded 0 or 1) in the data frame. |
time |
variable name of a follow-up time variable in the data frame. |
by |
variable name of a categorical variable used as a grouping variable. This should usually be a factor if called in a stratified analysis to avoid differential lengths. |
data |
data frame containing these variables. |
data frame containing the events
(event count) element the denom
(person-time) information for each treatment group. When the data frame supplied is empty (0 rows), a single-row data frame filled with NA is returned.
Kazuki Yoshida
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