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selection.index (version 2.0.0)

inverse_haldane_mapping: Inverse Haldane Mapping Function

Description

Converts recombination fraction back to genetic distance (in Morgans). This is the inverse of Haldane's mapping function.

Usage

inverse_haldane_mapping(recombination_fraction)

Value

Genetic distance in Morgans.

Arguments

recombination_fraction

Recombination fraction (r) between 0 and 0.5.

Details

Mathematical Formula:

Solving Haldane's equation for d: $$d = -\frac{1}{2} \ln(1 - 2r)$$

Examples

Run this code
# Convert recombination fraction to distance
inverse_haldane_mapping(0.25) # Returns ~0.347 Morgans
inverse_haldane_mapping(0.5) # Returns Inf (unlinked)

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