qtlDesign (version 0.81)

Optimal selection fraction: Optimal selection fraction

Description

Functions to find optimal selection fractions given cost.

Usage

optalpha(cost,d=0,G=NULL,cross)
optalpha.bc(cost,d=0,G=NULL)
optalpha.f2(cost,d=0,G=NULL)

Arguments

cost

Cost per genotype in units of raising individual

d

Marker spacing in Morgans

G

Genome size in Morgans

cross

Cross type, "bc" or "f2"

Value

• The optimal selection fraction.

Details

The function optimize is used to search for the optima.

References

Sen S, Satagopan JM, Churchill GA (2005) Quantitative trait locus study design from an information perspective. Genetics, 170:447-64.

See Also

optimize

Examples

optalpha(1,cross="bc")
optalpha(0.001,10,1450,cross="bc")
optalpha(0.001,10,1450,cross="f2")