triticeaetoolbox
triticeaetoolbox harmonizes heterogeneous genotype, marker, and phenotypic datasets using covariance-based methods to support genomic prediction and inference of trait relationships.
Key Features:
- Data Harmonization: Combines partial datasets by leveraging covariance-based methods to integrate partially overlapping relationship/covariance matrices from independent experiments.
- Genotype-to-Phenotype Integration: Merges genotypic and phenotypic information across multiple experiments to improve identification of quantitative traits and genomic prediction.
- Cross-National Comparative Research: Harmonizes datasets from multiple sources to enable cross-national and international comparative analyses.
- Advantages Over Feature Imputation Approaches: Demonstrates improved utility in genomic prediction using heterogeneous marker data compared with traditional feature imputation approaches.
- Inference of Trait Relationships: Combines multiple phenotypic experiments to infer previously unobserved relationships among traits.
Scientific Applications:
- Genomic Prediction: Uses heterogeneous marker and genotype data to enhance predictive accuracy in genomic selection tasks.
- Trait Identification: Integrates phenotype and genomic information to identify key quantitative genetics traits.
- Data Repository Enhancement: Harmonizes datasets across gene-banks and other data repositories to improve the availability and utility of genetic information.
Methodology:
A covariance-based approach combines partially overlapping relationship/covariance matrices from independent experiments to integrate heterogeneous marker, genotypic, and phenotypic data for genomic prediction without requiring complete dataset overlap.
Topics
Details
- Added:
- 1/14/2020
- Last Updated:
- 2/6/2021
Operations
Publications
Akdemir D, Knox R, Isidro-Sánchez J. Adventures in Multi-Omics I: Combining heterogeneous datasets via relationships matrices. Unknown Journal. 2019. doi:10.1101/857425.
DOI: 10.1101/857425