[R] Error in the qchisq with ncp parameter

[Manuel Castejon Limas]

I´m new to R (using version 0.90.1.) and this list so maybe this issue has been asked before and I still could not read the complete set of past messages sent to the list.
Here is a simple example.

> qchisq(0.99,5,ncp=0.4)
Error in qnchisq(p, df, ncp) : unimplemented real function

even when the help(qchisq) specifies that I could use the ncp parameter.


Is this a known bug?
Am I doing something wrong?
Anybody knows a workaround (for a general matrix, not for a diagonal one)?

I would really appreciate your help and support.
Thanks in advance.


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                          Manuel Castejon Limas.
                    Manuel.Castejon at dim.unirioja.es 
Departamento de Ingenieria Mecanica.   | Mechanical Engineering Department.
Area de Proyectos de Ingenieria.       | Project Management Area.
Universidad de La Rioja.               | University of La Rioja.
España.                                | Spain.
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