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ebGenotyping (version 1.0)

Genotyping using Next Generation Sequencing Data

Description

Genotyping the population using next generation sequencing data is essentially important for the rare variant detection. In order to distinguish the genomic structural variation from sequencing error, we propose a statistical model which involves the genotype effect through a latent variable to depict the distribution of non-reference allele frequency data among different samples and different genome loci, while decomposing the sequencing error into sample effect and positional effect. An ECM algorithm is implemented to estimate the model parameters, and then the genotypes and SNPs are inferred based on the empirical Bayes method.

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Version

Install

install.packages('ebGenotyping')

Monthly Downloads

159

Version

1.0

License

GPL-2

Maintainer

Gongyi Huang

Last Published

May 5th, 2015

Functions in ebGenotyping (1.0)

ECM

Genotyping using Next Generation sequencing Data
f.delta.2

The second-order derivative with respect to delta
f.delta.1

The first-order derivative with respect to delta
delta.recal

One step maximization of delta when given other parameters
f.eta.1

The first-order derivative with respect to eta
f.eta.2

The second-order derivative with respect to eta
f.eta

A part of Q function which is related to eta
mu.recal

One step maximization of mu when given other parameters
rlogit

Inverse Logit Transformation
z.adj.1

Adjustment based on data
f.mu.1

The first-order derivative with respect to mu
logit

Logit Transformation
loglike

The observed data log-likelihood
f.mu.2

The second-order derivative with respect to mu
ebGenotyping-package

Genotyping using Next Generation Sequencing Data