qtAppr

0th

Percentile

Compute Approximate Quantiles of Non-Central t Distribution

Compute quantiles (inverse distribution values) for the non-central t distribution. using Johnson,Kotz,.. p.521, formula (31.26 a) (31.26 b) & (31.26 c)

Note that qt(.., ncp=*) did not exist yet in 1999, when MM implemented qtAppr().

Keywords
distribution
Usage
qtAppr(p, df, ncp, lower.tail = TRUE, log.p = FALSE, method = c("a", "b", "c"))
Arguments
p

vector of probabilities.

df

degrees of freedom \(> 0\), maybe non-integer.

ncp

non-centrality parameter \(\delta\); ....

lower.tail, log.p

logical, see, e.g., qt().

method

a string specifying the approximation method to be used.

Value

...

See Also

qt.

Aliases
  • qtAppr
Examples
# NOT RUN {
  ## TODO
# }
Documentation reproduced from package DPQ, version 0.3-3, License: GPL (>= 2)

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