kbroman / qtl

R/qtl: A QTL mapping environment
https://rqtl.org
GNU General Public License v3.0
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read.cross with 4-way cross may mess up X chr #88

Closed kbroman closed 3 years ago

kbroman commented 4 years ago

If the genotypes are all 1-4, it seems like read.cross() will first treat the data as a standard intercross and so omit het genotypes from the X chromosome in males, even if you indicate crosstype="4way".