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Convert a sex-specific map to a sex-averaged one, assuming that the female and male maps are actually the same (that is, that the map was estimated assuming a common recombination rate in females and males).
convert2sa(map, tol=1e-4)
A map object, with sex-averaged distances.
A map object with sex-specific locations (but assuming that
the female and male maps are the same), as output by the function
est.map
for a 4-way cross, with argument
sex.sp=FALSE
.
Tolerance value for inspecting the differences between the female and male maps; if they differ by more than this tolerance, a warning is issued.
Karl W Broman, broman@wisc.edu
We pull out just the female marker locations, and give a warning if there are large differences between the female and male maps.
est.map
, plotMap
data(fake.4way)
if (FALSE) fake.4way <- subset(fake.4way, chr="-X")
fake.4way <- subset(fake.4way, chr=18:19)
nm <- est.map(fake.4way, sex.sp=FALSE)
plot(convert2sa(nm))
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