liver: The liver data used in SAS PROC PHREG documentation examples.
In trtswitch: Treatment Switching
liver R Documentation
The liver data used in SAS PROC PHREG documentation examples.
Description
This data set contains information on 418 patients with primary biliary
cirrhosis.
Usage
liver
Format
An object of class tbl_df (inherits from tbl, data.frame) with 418 rows and 7 columns.
Details
TimeThe follow-up time in years from the time of
registration. The event could be liver transplantation, death,
or the end of the study, whichever came first
StatusA censoring indicator, where a value of 1
indicating a death event, and 0 indicating a censored observation
(the patient survived past the observation time)
AgeThe patient's age in years
AlbuminSerum albumin level in g/dl
BilirubinSerum bilirubin level in mg/dl
EdemaEdema status, where a value of 0 indicates no
edema, 0.5 indicates edema successfully treated with
diuretics, and 1 indicates edema despite diuretic therapy
ProtimeProthrombin time in seconds
trtswitch documentation built on Jan. 10, 2026, 5:08 p.m.
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| liver | R Documentation |
The liver data used in SAS PROC PHREG documentation examples.
Description
This data set contains information on 418 patients with primary biliary cirrhosis.
Usage
liver
Format
An object of class tbl_df (inherits from tbl, data.frame) with 418 rows and 7 columns.
Details
TimeThe follow-up time in years from the time of registration. The event could be liver transplantation, death, or the end of the study, whichever came first
StatusA censoring indicator, where a value of 1 indicating a death event, and 0 indicating a censored observation (the patient survived past the observation time)
AgeThe patient's age in years
AlbuminSerum albumin level in g/dl
BilirubinSerum bilirubin level in mg/dl
EdemaEdema status, where a value of 0 indicates no edema, 0.5 indicates edema successfully treated with diuretics, and 1 indicates edema despite diuretic therapy
ProtimeProthrombin time in seconds
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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