Publication times for 244 clinical trials funded by the National Heart, Lung, and Blood Institute.
Publication
A data frame with 244 observations, each representing a clinical trial, and 9 variables:
posres
Did the trial produce a positive (significant) result? 1=Yes, 0=No.
multi
Did the trial involve multiple centers? 1=Yes, 0=No.
clinend
Did the trial focus on a clinical endpoint? 1=Yes, 0=No.
mech
Funding mechanism within National Institute of Health: a qualitative variable.
sampsize
Sample size for the trial.
budget
Budget of the trial, in millions of dollars.
impact
Impact of the trial; this is related to the number of publications.
time
Time to publication, in months.
status
Whether or not the trial was published at time
: 1=Published, 0=Not yet published.
James, G., Witten, D., Hastie, T., and Tibshirani, R. (2021) An Introduction to Statistical Learning with applications in R, Second Edition, https://www.statlearning.com, Springer-Verlag, New York