Description Usage Arguments Details Value
Estimate the fraction of true null hypotheses.
1 | estP0(statObs, fitAll, z0quantRange, smooth.df)
|
statObs |
A vector of observed z-values |
fitAll |
the estimated normal null |
z0quantRange |
a number of quantiles between 0 and 0.5 |
smooth.df |
degrees of freedom for the spline smoother |
A natural spline is used over a range of intervals. Based on the qvalue::qvalue() function and Storey and Tibshirani, 2003
The estimated null fraction, the value of the spline evaluated at the first element of z0quantRange
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