Generate a sample data from the pbc data

This is a function to retrieve 312 randomized patients from the pbc data.

Usage

ahreg.sample.data(t.unit="year")

Arguments

t.unit

Specify the time unit. It supports "year" (default), "month", and "day".

Value

returns a data frame

Details

The function creates a sample dataset to illustrate the usage of the function ahreg() in this package. The original pbc data in survival package consists of 418 patients data. This function loads the pbc data, select the 312 patients who were randomized. The status variable is edited, so that 1 indicates death and 0 indicates alive.

See also

pbc in survival package

Examples

D=ahreg.sample.data()
head(D)
#>        time status arm      age edema bili albumin protime
#> 1  1.095140      1   1 58.76523   1.0 14.5    2.60    12.2
#> 2 12.320329      0   1 56.44627   0.0  1.1    4.14    10.6
#> 3  2.770705      1   1 70.07255   0.5  1.4    3.48    12.0
#> 4  5.270363      1   1 54.74059   0.5  1.8    2.54    10.3
#> 5  4.117728      0   0 38.10541   0.0  3.4    3.53    10.9
#> 6  6.852841      1   0 66.25873   0.0  0.8    3.98    11.0