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onemap (version 2.1.1)

test_segregation_of_a_marker: test_segregation_of_a_marker

Description

Applies the chi-square test to check if markers are following the expected segregation pattern, i. e., 1:1:1:1 (A), 1:2:1 (B), 3:1 (C) and 1:1 (D) according to OneMap's notation. It does not use Yate's correction.

Usage

test_segregation_of_a_marker(x, marker)

Arguments

x

an object of class onemap, with data and additional information.

marker

the marker which will be tested for its segregation.

Value

a list with the H0 hypothesis being tested, the chi-square statistics, the associated p-values, and the % of individuals genotyped.

##'@examples data(mapmaker_example_bc) # Loads a fake backcross dataset installed with onemap test_segregation_of_a_marker(mapmaker_example_bc,1)

data(example_out) # Loads a fake outcross dataset installed with onemap test_segregation_of_a_marker(example_out,1)

Details

First, the function selects the correct segregation pattern, then it defines the H0 hypothesis, and then tests it, together with percentage of missing data.