CHANGELOG

All notable changes to this project are documented in this file.

Tractor v1.4.0 is now available here.

Tractor Workflow, that wraps 3 modules (phasing, local ancestry inference, and Tractor GWAS) will be updated here.

TractorWorkflow v0.0.0

  • Tractor Workflow will be updated.

Tractor v1.4.0 (released May 10, 2024)

* Added support for compressed (gz) hapcount/dosage and phenotype files.
* Improved file reading efficiency by implementing fread in chunks, mitigating memory errors.
* Implemented parallel processing for regression, resulting in significant speed improvements with multi-core systems.
* Enhanced flexibility in organizing phenotype files:
* Users can specify sample ID column (--sampleidcol), phenotype ID column (--phenocol), and covariate column list (--covarcollist)
* Updated output summary statistics to include SE and t-val, with column names adjusted to adhere to GWAS standards.