search for: foneweek

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2010 Jul 16
0
Elementary question about computing confidence intervals.
I would have thought this to be relatively elementary, but I can't find it mentioned in any of my stats texts. Please consider the following: library(fitdistrplus) fp = fitdist(y,"exp"); rate = fp$estimate; sd = fp$sd fOneWeek = exp(-rate*7); #fraction that happens within a week - y is measured in days fr = exp(-rate*dt); #fraction remaining - dt = elapsed time from time of sample to present fh = 1 - fr; # fraction that occurred from time of sample to present # assume n = total number that have happened from time...