Ellen M. Wijsman: Software and data
If left clicking on a software download link does not elicit a "save as"
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- New, revision 1.04 released Nov. 15, 2013 (ver 1.03 released July 19, 2013; ver 1.02 released Mar. 6, 2013):
Genotype imputation for dense markers in (large) pedigrees. See:
Cheung CYK, Thompson EA, Wijsman EM (2013) GIGI: An approach to effective imputation of
dense genotypes on large pedigrees. American Journal of Human Genetics 92:504-516.
lnkg2lmlnk, released Mar. 12, 2012. A new converter from Linkage-style to Morgan
ver 3 style data files with some example data files
- plotIBD, Released Nov. 18, 2011. A perl script
to assist with plotting sampled inheritance vectors in pedigrees, as
described in Marchani EE, Wijsman EM (2011) Estimation and visualization of
identity-by-descent within pedigrees simplifies interpretation of complex trait
analysis. Human Heredity 72(4):289-297.
corrected chi-square testing
and README file:.
This release (Apr. 2, 2010) replaces the version of the kinship estimation program and ancillary
programs released Nov. 12, 2009.
and README file:
Released Nov. 12, 2009. Software to carry
out computations to estimate kinship coefficients for case-control
analyses in the presence of cryptic relatedness, as described in the
paper: Choi et al (2009) "Case-control association testing in the presence
of unknown relationships" Genetic Epidemiology (2009),
35:668-678, PMID: 19333967
PANGAEA for the MORGAN package or Loki
Released Sept. 1, 2007. A Perl script to convert
linkage-style files to MORGAN-lm_markers-style files, also distributed from the
PANGAEA/MORGAN distribution site.
Two sets of example files include
a binary trait,
and a quantitative
trait , both based on a couple of simulated data sets from the paper by Wijsman et al (2006)
Loki: Perl scripts for Loki; and two versions of Loki:
Loki ver. 2.4.5,
Loki ver. 2.4.7.
Perl scripts were released Sept. 1, 2007:
additional useful scripts for manipulating files from Loki are provided
as-is. These are scripts that members of my group have written and that
carry out commonly-used tasks. These scripts include computation of
Bayes Factors for linkage by uniform intervals or by inter-marker
intervals (different from the L-score distributed with Loki); flipping
of QTL models to eliminate the model bimodality that is
intrinsic in the analysis approach; extracting QTL models that meet particular
conditions; and extracting QTL models that fall in an ellipse in a
heterozygote-homozygote effect scatter plot. See beginning of each perl
script for program documentation. Note that the assumption behind these scripts
is that you are using Loki ver 2.4.5, 2.4.6, or 2.4.7.
SimSuite Ver. 1.0 Scripts,
README file, and
Released mar. 15, 2009. A suite of Perl scripts to manage trait simulation from Loki
output files, marker simulation, and analysis of results with Loki and/or SOLAR,
described by Igo & Wijsman (2008) Empirical significance values for linkage
analysis: trait simulation using posterior model distributions from MCMC
oligogenic segregation analysis. Genetic Epidemiology 32:119-131.
- Simulated data used in the paper by Wijsman et al (2006) AJHG 79:846-858
is available at
the PANGAEA distribution site.
- Other programs are currently distributed informally, and in a state
that is "as is". Contact me if you are interested.
Friday, 15-Nov-2013 20:23:28 PST