silcLOD

silcLOD calculates nominal significance levels and critical LOD (Logarithm of Odds) scores for linkage analysis in whole genome scans, adjusting for investigated genomic region length, number of chromosomes, and crossover rate to determine global significance.

Key Features:

• Nominal significance calculation: Computes nominal significance levels for linkage signals in whole genome scans.
• Critical LOD score computation: Calculates critical LOD (Logarithm of Odds) scores to set significance thresholds.
• Parameter-adjusted analysis: Tailors calculations based on investigated genomic region length, number of chromosomes, and crossover rate.
• Global significance determination: Determines global significance levels across genome-wide scans to control false positives.
• User-specified precision: Supports specification of calculation precision to balance statistical rigor and sensitivity.

Scientific Applications:

• Complex trait linkage studies: Evaluating linkage in studies aiming to uncover genetic links to complex traits using whole genome scans.
• Whole genome scan interpretation: Providing significance thresholds and nominal levels to aid interpretation of whole genome scan results.
• False positive control vs sensitivity: Balancing methodological rigor and sensitivity to avoid overlooking potentially significant linkage hints while minimizing false positives.

Methodology:

Computes nominal significance levels and critical LOD scores using inputs for investigated genomic region length, number of chromosomes, and crossover rate, and produces global significance levels with user-specified precision.