Calculate dynamic modelfree curve of Area Under the Curve values over time, based on the dynamic/incident AUC of Heagerty and Zheng.
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formula 
Formula for prediction model to be used as in

data 
Data set in which to interpret the formula 
width 
Width of the window 
A data frame with columns
time 
The time points t at which AUCw(t) changes value (either t or t+width is an event time point) 
AUCw 
The AUCw(t) function 
and with attribute "width"
given as
input.
Hein Putter H.Putter@lumc.nl
van Houwelingen HC, Putter H (2012). Dynamic Prediction in Clinical Survival Analysis. Chapman & Hall.
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