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forensim (version 2.0)

Statistical tools for the interpretation of forensic DNA mixtures

Description

Statistical methods and simulation tools for the interpretation of forensic DNA mixtures

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Version

Install

install.packages('forensim')

Monthly Downloads

193

Version

2.0

License

GPL (>= 2)

Maintainer

Hinda Haned

Last Published

August 10th, 2011

Functions in forensim (2.0)

lik.loc

Likelihood per locus of the observed alleles in a DNA mixture conditional on the number of contributors to the mixture

Likelihood ratio for DNA evidence interpretation (2): a sophistacted version of function LR()

LRmixTK

GUI for the LR2 function

CaseY.Database

Allele counts for second example of (Table) 3 of Balding and Buckleton, 2010

RMP

The Random Match Probability of DNA evidence (RMP)

forensim class for DNA mixtures

Bates.Database

Allele counts for first example (Table 1) of Balding and Buckleton, 2010

sgmNorway

Allele frequencies for the new generation markers sgm, for the Norwegian population

changepop

Function to change population-related information in forensim objects

tabSPH

Builds a matrix of the dropout variable and the corresponding surviving peak heights

CaseY.DNA

Alleles of mixture, known contributor, defendant as well as missing (drop-out) allelels for US case (CaseY, see http://www.zebfontaine.eclipse.co.uk/djb.htm)

simPCR2TK

A Tcl/Tk graphical interface for the polymorphism chain reaction simulation model

A3.simu

A Tcl/Tk graphical user interface for simple DNA mixtures resolution using allele peak heights or areas when three alleles are observed at a given locus

mastermix

A Tcl/Tk graphical user interface for simple DNA mixtures resolution using allele peak heights/ or areas information

tabfreq

forensim class for population allele frequencies

Accessors

Accessors for forensim objects

N2error

Calculates exact error for maximum allele count for two markers

simugeno

forensim class for simluated genotypes

tabDNAproxy

Builds a list of tables that record the dropout events matched with the appropriate DNA proxies

Predictive value of the maximum likelihood estimator of the number of contributors to a DNA mixture

ngm

Allele frequencies for the new generation markers NGM, for the Caucasian US population

strusa

Allele frequencies for 15 autosomal short tandem repeats core loci on U.S. Caucasian, African American, and Hispanic populations.

Pevid2

Conditional profile probabilities

N2Exact

Calculates exact allele distribution for 2 contributors

findfreq

Finds the allele frequencies of a mixture from a tabfreq object

dropDB

Calculates LR allowing for drop-out and drop-in

simugeno constructor

A4.simu

A Tcl/Tk graphical user interface for simple DNA mixtures resolution using allele peak heights or areas when four alleles are observed at a given locus

A2.simu

A Tcl/Tk graphical user interface for simple DNA mixtures resolution using allele peak heights or areas information when two alleles are observed at a given locus

findmax

Function to find the maximum of a vector and its position

Hbsimu

A Tcl/Tk simulator of the heterozygous balance

likestim.loc

Maximum likelihood estimation per locus of the number of contributors to forensic DNA mixtures.

dataL

Generic formula of the likelihood of the observed alleles in a mixture conditional on the number of contributors for a specific locus

Allele frequencies of 15 autosomal short tandem repeats loci on Chinese Tu ethnic minority group

mincontri

Minimum number of contributors required to explain a forensic DNA mixture

likestim

Maximum likelihood estimation of the number of contributors to a forensic DNA mixture for a set of loci

recordDrop

Records the allelic dropout events matched with individual DNA proxies

simMixSNP

Simulates SNP mixtures

The random man exclusion probability

Likelihood ratio for DNA evidence interpretation

Bates.DNA

Alleles of mixture, known contributor, defendant as well as missing (drop-out) allelels. (Case Bates, see http://www.zebfontaine.eclipse.co.uk/djb.htm)

comb

Generate all possible combinations of m elements among n with repetitions

simupopD

Simulate multi-population allele frequencies for independent loci from a reference population, following a Dirichlet model

lik

Likelihood of the observed alleles at different loci in a DNA mixture conditional on the number of contributors to the mixture

simufreqD

Function to simulate allele frequencies for independent loci from a Dirichlet model

naomitab

Handling of missing values in a data frame

virtualClasses

Virtual classes for forensim

recordHeights

Records the peak heights of the alleles present in the analyzed stains

simPCR2

Polymorphism chain reaction simulation model

strveneto

Population study of three miniSTR loci in Veneto (Italy)

DNAproxy

Approximation of the amount of DNA contributed by a person based on the observed peak heights of the alleles present in the analyzed sample

Cmn

The number of all possible combinations of m elements among n with repetitions

wrapdataL

ML estimate of number of contributors for SNPs

nball

Number of alleles in a mixture