fnfam: Internal function called by ntdt

Description Usage Arguments Details Value Note Author(s) References See Also Examples

Description

An internal function called by the 'ntdt' function based on formulae from Abel and Muller-Myhsok (1998) Am J Hum Genet 63:664-667

Usage

1
fnfam(n, power, alpha, p1, h)

Arguments

n

number of families.

power

the power of the test.

alpha

the desired significance level.

p1

defined by Abel and Muller-Myhsok.

h

defined by Abel and Muller-Myhsok.

Details

See Abel and Muller-Myhsok

Value

n

the number of tdt trios needed for the desired power.

Note

These are based on a Mathematica notebook created by Martin Farrall.

Author(s)

Daniel E. Weeks

References

Abel L, Muller-Myhsok B. Maximum-likelihood expression of the transmission/disequilibrium test and power considerations. Am J Hum Genet. 1998 Aug;63(2):664-7.

See Also

plotNtdt, ntdt, ntdt.q

Examples

1
## NONE: Internal function

powerpkg documentation built on May 30, 2017, 12:15 a.m.