info(sel.frac,theta=0,cross)
info.bc(sel.frac,theta=0)
info.f2(sel.frac,theta=0)
deflate(theta,cross)
deflate.bc(theta)
deflate.f2(theta)
nullinfo(sel.frac)nullinfo function calculates the information
content per observation for any contrast between genotype means when
densely genotyping an sel.frac fraction of
the extreme phenotypic individuals. The information content is
calculated under the null hypothesis of no difference between the
genotype means. For small differences in genotype means, the
information content will be approximately equal to the null, but in
general, the information estimate under the null is the lower bound. The info function calculates the information per observation
for backcross, and F2 intercross under the null hypothesis of equal
gentoype means. The information is calculated for a point in the
middle of an interval spanned by markers separated by a recombination
fraction theta. The function deflate calculates a
deflation factor for the information attenuation in the middle of a
marker interval relative to a completely typed location.
nullinfo(0.5)
info(0.5,cross="bc")
info(0.5,cross="f2")
info(0.5,0.1,cross="bc")
info(0.5,0.1,cross="f2")
deflate(0.1,"bc")
deflate(0.1,"f2")Run the code above in your browser using DataLab