Density of noncentrality parameters

Description

These functions return the density function of noncentrality parameters, from ncpest objects

Usage

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dncp(obj, ...)
## S3 method for class 'parncpt'
dncp(obj, fold=FALSE, ...)
## S3 method for class 'parncpt2'
dncp(obj, fold=FALSE, ...)
## S3 method for class 'nparncpt'
dncp(obj, fold=FALSE, ...)
## S3 method for class 'sparncpt'
dncp(obj, fold=FALSE, ...)
## S3 method for class 'nparncpp'
dncp(obj, reflect=TRUE, ...)

Arguments

obj

an object of class ncpest, from which noncentrality parameter density to be extracted

fold

Logical: if TRUE, then the density of noncentrality paramters is folded about zero to give the density of absolute noncentrality parameters.

reflect

Logical: if TRUE, then the density of absolute noncentrality parameters is reflected about zero.

...

Further arguments.

Value

A function of one argument

Note

dncp.nparncpp is not yet implemented.

Author(s)

Long Qu

References

Ruppert D, Nettleton D, Hwang JT. (2007) Exploring the Information in $p$-values for the Analysis and Planning of Multiple-test Experiments. Biometrics. 63. 483-495.

Qu L, Nettleton D, Dekkers JCM. (2012) Improved Estimation of the Noncentrality Parameter Distribution from a Large Number of $t$-statistics, with Applications to False Discovery Rate Estimation in Microarray Data Analysis. Biometrics. 68. 1178-1187.

See Also

parncpt, parncpt2, nparncpt ,sparncpt. nparncpp

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