Medians: Retrieve a median estimate from the dpCDF
Description
Determines a median value from a CDF vector.
Usage
Medians(est, range, gran, ...)
Arguments
est
The vector output of a differentially private CDF
computation (cumulative count bins)
range
A vector length 2 containing user-specified min and max to
truncate the universe to
gran
The smallest unit of measurement in the data (one [year]
for a list of ages),
the Domain (ie gran and range) should be identical to those used to
create the CDF!
...
Optionally add additional parameters. This is primarily used to allow automated
execution of varied diagnostic functions.
Value
A vector of medians obtained from a (differentially private)
CDF vector, not using any extra privacy budget,
there may be more than one due to random noise causing the DPCDF doubling
back over the .5 probablity latitude