Quantitative Trait Locus Mapping in Experimental Crosses


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Documentation for package ‘qtl2’ version 0.34

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A B C D E F G I L M N P Q R S T U V W X Z misc

-- A --

add_threshold Add thresholds to genome scan plot

-- B --

basic_summaries Basic summaries of a cross2 object
batch_cols Batch columns by pattern of missing values
batch_vec Split vector into batches
bayes_int Calculate Bayes credible intervals

-- C --

c.scan1perm Combine data from scan1perm objects
calc_entropy Calculate entropy of genotype probability distribution
calc_errorlod Calculate genotyping error LOD scores
calc_genoprob Calculate conditional genotype probabilities
calc_geno_freq Calculate genotype frequencies
calc_grid Calculate indicators of which marker/pseudomarker positions are along a fixed grid
calc_het Calculate heterozygosities
calc_kinship Calculate kinship matrix
calc_raw_founder_maf Calculate founder minor allele frequencies from raw SNP genotypes
calc_raw_geno_freq Calculate genotype frequencies from raw SNP genotypes
calc_raw_het Calculate estimated heterozygosity from raw SNP genotypes
calc_raw_maf Calculate minor allele frequency from raw SNP genotypes
calc_sdp Calculate strain distribution pattern from SNP genotypes
cbind.calc_genoprob Join genotype probabilities for different chromosomes
cbind.scan1 Join genome scan results for different phenotypes.
cbind.scan1perm Combine columns from multiple scan1 permutation results
cbind.sim_geno Join genotype imputations for different chromosomes
cbind.viterbi Join viterbi results for different chromosomes
cbind_expand Combine matrices by columns, expanding and aligning rows
CCaltcolors Collaborative Cross colors
CCcolors Collaborative Cross colors
CCorigcolors Collaborative Cross colors
check_cross2 Check a cross2 object
chisq_colpairs Chi-square test on all pairs of columns
chr_lengths Calculate chromosome lengths
chr_names Basic summaries of a cross2 object
clean Clean an object
clean.calc_genoprob Clean genotype probabilities
clean.scan1 Clean scan1 output
clean_genoprob Clean genotype probabilities
clean_scan1 Clean scan1 output
compare_geno Compare individuals' genotype data
compare_genoprob Compare two sets of genotype probabilities
compare_maps Compare two marker maps
convert2cross2 Convert R/qtl cross object to new format
count_xo Count numbers of crossovers
covar_names Basic summaries of a cross2 object
create_gene_query_func Create a function to query genes
create_snpinfo Create snp information table for a cross
create_variant_query_func Create a function to query variants

-- D --

decomp_kinship Calculate eigen decomposition of kinship matrix
drop_markers Drop markers from a cross2 object
drop_nullmarkers Drop markers with no genotype data

-- E --

est_herit Estimate heritability with a linear mixed model
est_map Estimate genetic maps

-- F --

find_dup_markers Find markers with identical genotype data
find_ibd_segments Find IBD segments for a set of strains
find_index_snp Find name of indexed snp
find_map_gaps Find gaps in a genetic map
find_marker Find markers by chromosome position
find_markerpos Find positions of markers
find_peaks Find peaks in a set of LOD curves
fit1 Fit single-QTL model at a single position
founders Basic summaries of a cross2 object
fread_csv Read a csv file
fread_csv_numer Read a csv file that has numeric columns

-- G --

genoprob_to_alleleprob Convert genotype probabilities to allele probabilities
genoprob_to_snpprob Convert genotype probabilities to SNP probabilities
get_common_ids Get common set of IDs from objects
get_x_covar Get X chromosome covariates
guess_phase Guess phase of imputed genotypes

-- I --

index_snps Create index of equivalent SNPs
ind_ids Basic summaries of a cross2 object
ind_ids_covar Basic summaries of a cross2 object
ind_ids_geno Basic summaries of a cross2 object
ind_ids_gnp Basic summaries of a cross2 object
ind_ids_pheno Basic summaries of a cross2 object
insert_pseudomarkers Insert pseudomarkers into a marker map
interp_genoprob Interpolate genotype probabilities
interp_map Interpolate between maps
invert_sdp Calculate SNP genotype matrix from strain distribution patterns

-- L --

locate_xo Locate crossovers
lod_int Calculate LOD support intervals

-- M --

map_to_grid Subset a map to positions on a grid
marker_names Basic summaries of a cross2 object
mat2strata Define strata based on rows of a matrix
max.compare_geno Find pair with most similar genotypes
max.scan1 Find position with maximum LOD score
maxlod Overall maximum LOD score
maxmarg Find genotypes with maximum marginal probabilities
max_compare_geno Find pair with most similar genotypes
max_scan1 Find position with maximum LOD score

-- N --

n_chr Basic summaries of a cross2 object
n_covar Basic summaries of a cross2 object
n_founders Basic summaries of a cross2 object
n_ind Basic summaries of a cross2 object
n_ind_covar Basic summaries of a cross2 object
n_ind_geno Basic summaries of a cross2 object
n_ind_gnp Basic summaries of a cross2 object
n_ind_pheno Basic summaries of a cross2 object
n_mar Basic summaries of a cross2 object
n_missing Count missing genotypes
n_pheno Basic summaries of a cross2 object
n_phenocovar Basic summaries of a cross2 object
n_typed Count missing genotypes

-- P --

phenocovar_names Basic summaries of a cross2 object
pheno_names Basic summaries of a cross2 object
plot.calc_genoprob Plot genotype probabilities for one individual on one chromosome.
plot.compare_geno Plot of compare_geno object.
plot.scan1 Plot a genome scan
plot.scan1coef Plot QTL effects along chromosome
plot_coef Plot QTL effects along chromosome
plot_coefCC Plot QTL effects along chromosome
plot_compare_geno Plot of compare_geno object.
plot_genes Plot gene locations for a genomic interval
plot_genoprob Plot genotype probabilities for one individual on one chromosome.
plot_genoprobcomp Plot comparison of two sets of genotype probabilities
plot_lodpeaks Plot LOD scores vs QTL peak locations
plot_onegeno Plot one individual's genome-wide genotypes
plot_peaks Plot QTL peak locations
plot_pxg Plot phenotype vs genotype
plot_scan1 Plot a genome scan
plot_sdp plot strain distribution patterns for SNPs
plot_snpasso Plot SNP associations
predict_snpgeno Predict SNP genotypes
print.cross2 Print a cross2 object
print.summary.compare_geno Basic summary of compare_geno object
print.summary.scan1perm Print summary of scan1perm permutations
probs_to_grid Subset genotype probability array to pseudomarkers on a grid
pull_genoprobint Pull genotype probabilities for an interval
pull_genoprobpos Pull genotype probabilities for a particular position
pull_markers Drop all but a specified set of markers

-- Q --

qtl2version Installed version of R/qtl2

-- R --

rbind.calc_genoprob Join genotype probabilities for different individuals
rbind.scan1 Join genome scan results for different chromosomes.
rbind.scan1perm Combine data from scan1perm objects
rbind.sim_geno Join genotype imputations for different individuals
rbind.viterbi Join Viterbi results for different individuals
read_cross2 Read QTL data from files
read_pheno Read phenotype data
recode_snps Recode SNPs by major allele
reduce_map_gaps Reduce the lengths of gaps in a map
reduce_markers Reduce markers to a subset of more-evenly-spaced ones
replace_ids Replace individual IDs
replace_ids.calc_genoprob Replace individual IDs
replace_ids.cross2 Replace individual IDs
replace_ids.data.frame Replace individual IDs
replace_ids.matrix Replace individual IDs
replace_ids.sim_geno Replace individual IDs
replace_ids.viterbi Replace individual IDs

-- S --

scale_kinship Scale kinship matrix
scan1 Genome scan with a single-QTL model
scan1blup Calculate BLUPs of QTL effects in scan along one chromosome
scan1coef Calculate QTL effects in scan along one chromosome
scan1max Maximum LOD score from genome scan with a single-QTL model
scan1perm Permutation test for genome scan with a single-QTL model
scan1snps Single-QTL genome scan at imputed SNPs
sdp2char Convert strain distribution patterns to character strings
sim_geno Simulate genotypes given observed marker data
smooth_gmap Smooth genetic map
subset.calc_genoprob Subsetting genotype probabilities
subset.cross2 Subsetting data for a QTL experiment
subset.scan1 Subset scan1 output
subset.sim_geno Subsetting imputed genotypes
subset.viterbi Subsetting Viterbi results
subset_scan1 Subset scan1 output
summary.compare_geno Basic summary of compare_geno object
summary.cross2 Summary of cross2 object
summary.scan1perm Summarize scan1perm results
summary_compare_geno Basic summary of compare_geno object
summary_scan1perm Summarize scan1perm results

-- T --

top_snps Create table of top snp associations
tot_mar Basic summaries of a cross2 object

-- U --

unsmooth_gmap Unsmooth genetic map

-- V --

viterbi Calculate most probable sequence of genotypes

-- W --

write_control_file Write a control file for QTL data

-- X --

xpos_scan1 Get x-axis position for genomic location

-- Z --

zip_datafiles Zip a set of data files

-- misc --

[.calc_genoprob Subsetting genotype probabilities
[.cross2 Subsetting data for a QTL experiment
[.sim_geno Subsetting imputed genotypes
[.viterbi Subsetting Viterbi results