Methods for Function q in Package ‘distr’
q-methods
signature(save = "Distribution"): returns the
(left-continuous) quantile function, i.e.;
q(s)=inf{t|P(object<=t)>=s}
signature(object = "Distribution"):
from distr-2.6 onwards, we provide this as a synonym for
method q; this synonym more explicitely states that we are dealing with
the left-continuous variant of a quantile function. It is useful in particular
when used from the console in RStudio, as RStudio catches calls to
q() and treats them separately from usual R evaluation.
The developers of RStudio have been asked to fix this and comply with standard
R evaluation which explicitely allows overloading q() as we do it in this
package, but so far have refused to do so, as they claim overloading
q() was insane.
Distribution-class, q.r
require(distr) N <- Norm() q(N)(0.3) ## in RStudio or Jupyter IRKernel, use q.l(.)(.) instead of q(.)(.) q.l(N)(0.3)
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