R: hivDK: seroconversion in a cohort of Danish men
hivDK
R Documentation
hivDK: seroconversion in a cohort of Danish men
Description
Data from a survey of HIV-positivity of a cohort of Danish
men followed by regular tests from 1983 to 1989.
Usage
data(hivDK)
Format
A data frame with 297 observations on the following 7 variables.
id
ID of the person
entry
Date of entry to the study. Date variable.
well
Date last seen seronegative. Date variable.
ill
Date first seen seroconverted. Date variable.
bth
Year of birth minus 1950.
pyr
Annual number of sexual partners.
us
Indicator of wheter the person has visited the USA.
Source
Mads Melbye, Statens Seruminstitut.
References
Becker N.G. and Melbye M.: Use of a log-linear model to
compute the empirical survival curve from interval-censored data,
with application to data on tests for HIV-positivity, Australian
Journal of Statistics, 33, 125–133, 1990.
Melbye M., Biggar R.J., Ebbesen P., Sarngadharan M.G., Weiss
S.H., Gallo R.C. and Blattner W.A.: Seroepidemiology of HTLV-III
antibody in Danish homosexual men: prevalence, transmission and
disease outcome. British Medical Journal, 289, 573–575, 1984.
Examples
data(hivDK)
str(hivDK)
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)
R is free software and comes with ABSOLUTELY NO WARRANTY.
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Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
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
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
> library(Epi)
Attaching package: 'Epi'
The following object is masked from 'package:base':
merge.data.frame
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/Epi/hivDK.Rd_%03d_medium.png", width=480, height=480)
> ### Name: hivDK
> ### Title: hivDK: seroconversion in a cohort of Danish men
> ### Aliases: ' hivDK '
> ### Keywords: datasets
>
> ### ** Examples
>
> data(hivDK)
> str(hivDK)
'data.frame': 297 obs. of 7 variables:
$ id : num 101 104 105 106 107 108 109 110 111 112 ...
$ entry: Date, format: "1980-12-31" "1980-12-31" ...
$ well : Date, format: "1987-03-15" "1989-05-15" ...
$ ill : Date, format: NA NA ...
$ bth : num 0 9 8 -5 -2 -9 -8 -3 -3 8 ...
$ pyr : num 0 20 3 8 5 25 3 6 4 7 ...
$ us : num 0 0 0 0 0 0 0 0 0 0 ...
>
>
>
>
>
> dev.off()
null device
1
>