qplot {webbioc} | R Documentation |
Plots diagnostic graphs for the qvalue function.
qplot(qobj, rng=0.1)
qobj |
a q-value object returned by the qvalue function |
rng |
the range of q-values to be plotted |
Four plots:
Upper-left |
pi0.hat(lambda) versus lambda with a smoother |
Upper-right |
q-values versus p-values |
Lower-left |
number of significant tests per each q-value cut-off |
Lower-right |
number of expected false positives versus number of significant tests |
John D. Storey http://faculty.washington.edu/~jstorey/
Storey JD. (2002) A direct approach to false discovery rates. Journal of the Royal Statistical Society, Series B, 64: 479-498.