statistical calculation

vincent.gregorio@epfl.ch vincent.gregorio at epfl.ch
Wed Apr 16 16:51:51 CEST 2008


Hello,

I have questions about the statistical calculation on great-er. In the
pre-processing step, i don't understand if is it the mean flow or the median
flow to enter in the .rna file( i have a lognormal distibution of flow values)?
What is the q_stdev calculate( does great-er transform the lognormal
distribution in a normal distribution? ) and how does great-er make monte-carlo
simulation (results of concentration are given in percentile, but is it for a
lognormal or normal distribution?)

is it possible to have more information about that?

Thanks to help me!

Vincent 



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