View source: R/interval-information.R
int_info | R Documentation |
Given interval breaks points, returns data frame with information on
interval start time, interval end time, interval length and a factor
variable indicating the interval (left open intervals). If an object of class
ped
is provided, extracts unique interval information from object.
int_info(x, ...)
## Default S3 method:
int_info(x, min_time = 0L, ...)
## S3 method for class 'data.frame'
int_info(x, min_time = 0L, ...)
## S3 method for class 'ped'
int_info(x, ...)
## S3 method for class 'pamm'
int_info(x, ...)
x |
A numeric vector of cut points in which the follow-up should be
partitioned in or object of class |
... |
Currently ignored. |
min_time |
Only intervals that have lower borders larger than this value will be included in the resulting data frame. |
A data frame containing the start and end times of the
intervals specified by the x
argument. Additionally, the interval
length, interval mid-point and a factor variable indicating the intervals.
as_ped ped_info
## create interval information from cut points
int_info(c(1, 2.3, 5))
## extract interval information used to create ped object
tdf <- data.frame(time=c(1, 2.3, 5), status=c(0, 1, 0))
ped <- tdf %>% as_ped(Surv(time, status)~., id="id")
int_info(ped)
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