R Dataset / Package survival / heart

On this R-data statistics page, you will find information about the heart data set which pertains to Stanford Heart Transplant data. The heart data set is found in the survival R package. You can load the heart data set in R by issuing the following command at the console data("heart"). This will load the data into a variable called heart. If R says the heart data set is not found, you can try installing the package by issuing this command install.packages("survival") and then attempt to reload the data with the library() command. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the heart R data set. The size of this file is about 8,859 bytes.

Stanford Heart Transplant data

Description

Survival of patients on the waiting list for the Stanford heart transplant program.

Usage

heart
jasa
jasa1

Format

jasa: original data

R project statistics dataset table
birth.dt:	birth date
accept.dt:	acceptance into program
tx.date:	transplant date
fu.date:	end of followup
fustat:	dead or alive
surgery:	prior bypass surgery
age:	age (in years)
futime:	followup time
wait.time:	time before transplant
transplant:	transplant indicator
mismatch:	mismatch score
hla.a2:	particular type of mismatch
mscore:	another mismatch score
reject:	rejection occurred

jasa1, heart: processed data

R project statistics dataset table
start, stop, event:	Entry and exit time and status for this interval of time
age:	age-48 years
year:	year of acceptance (in years after 1 Nov 1967)
surgery:	prior bypass surgery 1=yes
transplant:	received transplant 1=yes
id:	patient id

Source

J Crowley and M Hu (1977), Covariance analysis of heart transplant survival data. Journal of the American Statistical Association, 72, 27–36.

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