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BIGDAWG (version 1.2.6)

Case-Control Analysis of Multi-Allelic Loci

Description

Data sets and functions for chi-squared Hardy-Weinberg and case-control association tests of highly polymorphic genetic data [e.g., human leukocyte antigen (HLA) data]. Performs association tests at multiple levels of polymorphism (haplotype, locus and HLA amino-acids) as described in Pappas DJ, Marin W, Hollenbach JA, Mack SJ. 2016. 'Bridging ImmunoGenomic Data Analysis Workflow Gaps (BIGDAWG): An integrated case-control analysis pipeline.' Human Immunology, article in press. Combines rare variants to a common class to account for sparse cells in tables as described by Hollenbach JA, Mack SJ, Thomson G, Gourraud PA. 'Analytical methods for disease association studies with immunogenetic data.' Methods Mol Biol. 2012; 882:245-66.

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Version

Install

install.packages('BIGDAWG')

Monthly Downloads

247

Version

1.2.6

License

GPL (>= 3)

Maintainer

Steve Mack

Last Published

February 19th, 2016

Functions in BIGDAWG (1.2.6)

CheckLoci

Loci presence check
GetFiles

File Fetcher
AA.df.check

Contingency Table Check
GetField

HLA trimming function
AlignmentFilter

Alignment Filter
ExonPtnAlign.Create

Protein Exon Alignment Formatter
BIGDAWG

BIGDAWG wrapper function
L

Locus Analysis Function
make2x2

Creation of a 2x2 table using the indicated orientation.
A

Amino Acid Analysis Function
getCS.Mat

Chi square matrices
HWEChiSq

Hardy Weinbergy Equilibrium Function
H

Haplotype Analysis Function
rmABstrings

Replace absent allele strings
PgrpFormat

HLA P group File Formatter
cci.pval.list

Case Control Odds Ratio Calculation from Epicalc list variation
HLA_data

Example HLA Dataset
AlignObj.Create

Alignment Object Creator
UpdateRelease

Update function for protein aligment upon new IMGT HLA data release
CheckAlleles

Allele presence check
cci.pval

Case Control Odds Ratio Calculation from Epicalc
AAtable.builder

Amino Acid Contingency Table Build
PgrpExtract

HLA P group Finder
cci

Case-Control Odds ratio calculation and graphing
TableMaker

Table Maker
CheckHLA

HLA formatting check
ExonPtnList

Exon 2 (class II) or 2/3 (class I) protein alignments.
makeComb

Genotype Combination Maker
AlignObj.Update

Updated Alignment Object Creator
getObsFreq

Observed Frequency
PreCheck

Data summary function
RunChiSq

Chi-squared Contingency Table Test
EVSremoval

Expression Variant Suffix Removal