Last data update: 2014.03.03

R: Prednisone versus Placebo in Liver Cirrhosis Patients
prothroR Documentation

Prednisone versus Placebo in Liver Cirrhosis Patients

Description

A randomized trial on 488 liver cirrhosis patients

Format

Two data frames with the following variable.

id

patients identifier; in total there are 467 patients.

pro

prothrobin measurements.

time

for data frame prothro the time points at which the prothrobin measurements were taken; for data frame prothros the time to death or censoring.

death

a numeric vector with 0 denoting censoring and 1 death.

treat

randomized treatment; a factor with levels "placebo" and "prednisone".

Source

http://www.gllamm.org/books/readme.html#14.6,

References

Andersen, P. K., Borgan, O., Gill, R. D. and Keiding, N. (1993). Statistical Models Based on Counting Processes. New York: Springer.

Examples

summary(prothros)

Results


R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
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> library(JM)
Loading required package: MASS
Loading required package: nlme
Loading required package: splines
Loading required package: survival
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/JM/prothro.Rd_%03d_medium.png", width=480, height=480)
> ### Name: prothro
> ### Title: Prednisone versus Placebo in Liver Cirrhosis Patients
> ### Aliases: prothro prothros
> ### Keywords: datasets
> 
> ### ** Examples
> 
> summary(prothros)
       id             Time              death               treat    
 Min.   :  1.0   Min.   : 0.01095   Min.   :0.0000   placebo   :251  
 1st Qu.:166.8   1st Qu.: 0.63178   1st Qu.:0.0000   prednisone:237  
 Median :301.5   Median : 2.61609   Median :1.0000                   
 Mean   :294.8   Mean   : 3.64293   Mean   :0.5984                   
 3rd Qu.:431.2   3rd Qu.: 6.23631   3rd Qu.:1.0000                   
 Max.   :561.0   Max.   :13.39393   Max.   :1.0000                   
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>