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probabel - Online in the Cloud

Run probabel in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command probabel that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


probabel - Wrapper around the three ProbABEL binaries, simplifying their use

SYNOPSIS


probabel CHROM-START CHROM-STOP METHOD COHORT MODEL PHENOTYPE [OTHER_OPTIONS]

DESCRIPTION


probabel is a wrapper around the three ProbABEL binaries: palinear, palogist, and pacoxph.

It is designed to simplify runnig of a Genome-Wide Association Study (GWAS) by saving the
user's precious time in two ways:

1) it runs the regression analysis of all chromosomes from CHROM-START to CHROM-STOP.

2) In contrast to the three binaries mentioned above, with probabel the user doesn't need
to specify the locations of the required genetic data files. Their location is centrally
managed in a configuration file (/etc/probabel_config.cfg by default).

OPTIONS


Required command line options
CHROM-START
Number of the chromosome to start the analysis at.

CHROM-END
Number of the chromosome to end the analysis at.

Note that analysis of a single chromosome can be run by specifying the same number for
CHROM-START and CHROM-STOP. In fact, this is the way to run analysis for the X or Y
chromosome

METHOD Which regression method to use, can be one of linear, logistic, or coxph.

COHORT The name of the cohort as defined in the /etc/probabel_config.cfg file. Using the
cohort identifier from the config file the three actual ProbABEL binaries know
where to find the genotypic information files (dosage files and/or probability
files).

MODEL The genetic model to be used. Can be either --additive for the additive model
(requires genotype data in dosage form), or --allmodels to run all genetic models:
additive, recessive, dominant, over-dominant and 2df.

PHENOTYPE
The name of the phenotype file, without its extension (which should be .PHE!).

Other options
Any options listed after the (mandatory) previous ones will be passed on to the underlying
binary: palinear, palogist or pacoxph, depending on the METHOD.

The most commonly used option is the -o option, followed by a file name, this specifies
the beginning of the file name for the output files.

Additional options
-h, --help Get additional help on how to run probabel. In this case none of the other
options needs to be specified.

EXAMPLES


This runs a genome-wide association scan using linear regression and the additive genetic
model on cohort My_Large_Cohort for phenotype my_phenotype:

probabel 1 22 linear "My_Large_Cohort" --additive my_phenotype

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