Example 7.40: Nelson-Aalen plotting

June 7, 2010
By

(This article was first published on SAS and R, and kindly contributed to R-bloggers)

In our previous entry, we described how to calculate the Nelson-Aalen estimate of cumulative hazard. In this entry, we display the estimates for the time to linkage to primary care for both the treatment and control groups in the HELP study.RWe use the previously defined function, after removing missing values and sorting by the time to event or censoring.ds = read.csv("http://www.math.smith.edu/

To leave a comment for the author, please follow the link and comment on his blog: SAS and R.

R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web Scraping) statistics (regression, PCA, time series, trading) and more...



If you got this far, why not subscribe for updates from the site? Choose your flavor: e-mail, twitter, RSS, or facebook...

Comments are closed.