Learn R Programming

⚠️There's a newer version (1.70) of this package.Take me there.

qtl (version 0.92-3)

Tools for analyzing QTL experiments

Description

Analysis of experimental crosses to identify genes (called quantitative trait loci, QTLs) contributing to variation in quantitative traits.

Copy Link

Version

Install

install.packages('qtl')

Monthly Downloads

3,063

Version

0.92-3

License

GPL version 2 or later

Maintainer

Karl W Broman Saunak Sen ssenjaxorg

Last Published

August 22nd, 2024

Functions in qtl (0.92-3)

plot.rf

Plot recombination fractions
plot.missing

Plot grid of missing genotypes
calc.genoprob

Calculate conditional genotype probabilities
argmax.geno

Reconstruct underlying genotypes
ripple

Compare marker orders
summary.ripple

Print summary of ripple results
plot.map

Plot genetic map
drop.nullmarkers

Drop markers without any genotype data
plot.info

Plot the proportion of missing genotype information
summary.cross

Print summary of QTL experiment
c.cross

Combine data for QTL experiments
scanone

Genome scan with a single QTL model
subset.cross

Subsetting data for QTL experiment
write.cross

Write data for a QTL experiment to a file
clean

Remove derived data
drop.markers

Drop a set of markers
calc.errorlod

Identify likely genotyping errors
summary.scantwo

Summarize the results of a two-dimensional genome scan
plot.scantwo

Plot LOD scores for a two-dimensional genome scan
A starting point

Introductory comments
plot.geno

Plot observed genotypes, flagging likely errors
sim.map

Simulate a genetic map
plot.cross

Plot various features of a cross object
plot.scanone

Plot LOD curves
convert2ss

Convert an intercross into a form to allow sex-specific maps
replace.map

Replace the genetic map of a cross
est.rf

Estimate pairwise recombination fractions
sim.geno

Simulate genotypes given observed marker data
read.cross

Read data for a QTL experiment
plot.errorlod

Plot grid of error LOD values
pull.map

Pull out the genetic map from a cross
geno.table

Create table of genotype distributions
summary.scanone

Summarize the results of a genome scan
scantwo

Two-dimensional genome scan with a two-QTL model
top.errorlod

List genotypes with large error LOD scores
sim.cross

Simulate a QTL experiment
est.map

Estimate genetic maps
qtl-internal

Internal qtl functions
switch.order

Switch the order of markers on a chromosome
fill.geno

Fill holes in genotype data
fake.4way

Simulated data for a 4-way cross
hyper

Data on hypertension
listeria

Data on Listeria monocytogenes susceptibility
fake.f2

Simulated data for an F2 intercross
badorder

An intercross with misplaced markers
fake.bc

Simulated data for a backcross