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qtl (version 1.39-5)

dropfromqtl: Drop a QTL from a qtl object

Description

Drop a QTL or multiple QTL from a QTL object

Usage

dropfromqtl(qtl, index, chr, pos, qtl.name, drop.lod.profile=TRUE)

Arguments

qtl
A qtl object, as created by makeqtl.
index
Vector specifying the numeric indices of the QTL to be dropped.
chr
Vector indicating the chromosome for each QTL to drop.
pos
Vector (of same length as chr) indicating the positions of the QTL to be dropped.
qtl.name
Vector specifying the names of the QTL to be dropped.
drop.lod.profile
If TRUE, remove any LOD profiles from the object.

Value

The input qtl object with the specified QTL omitted. See makeqtl for details on the format.

Details

Provide either chr and pos, or one of qtl.name or index.

See Also

makeqtl, fitqtl, addtoqtl, replaceqtl , reorderqtl

Examples

Run this code
data(fake.f2)

# take out several QTLs and make QTL object
qc <- c(1, 6, 13)
qp <- c(25.8, 33.6, 18.63)
fake.f2 <- subset(fake.f2, chr=qc)

fake.f2 <- calc.genoprob(fake.f2, step=2, err=0.001)
qtl <- makeqtl(fake.f2, qc, qp, what="prob")

newqtl <- dropfromqtl(qtl, chr=1, pos=25.8)
altqtl <- dropfromqtl(qtl, index=1)

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