Local false discovery rate and minimum total error rate approaches to identifying interesting chromosomal regions
2005

Identifying Interesting Chromosomal Regions in Genome Scans

Sample size: 20 publication Evidence: moderate

Author Information

Author(s): Ritwik Sinha, Moumita Sinha, Mathew George, Robert C. Elston, Yuqun Luo

Primary Institution: Case Western Reserve University

Hypothesis

Can local false discovery rate and minimum total error rate approaches effectively identify interesting chromosomal regions in genome scans?

Conclusion

The study found that both local false discovery rate and minimum total error rate methods are effective alternatives for identifying interesting chromosomal regions.

Supporting Evidence

  • The study explored new criteria for controlling false discovery rates in genome scans.
  • Results indicated that the local false discovery rate method effectively identifies interesting hypotheses.
  • The minimum total error method also provided a viable alternative for identifying chromosomal regions.

Takeaway

Researchers looked at ways to find important parts of DNA by using new methods that help avoid mistakes when testing many ideas at once.

Methodology

The study used a mixture of distributions under null and non-null hypotheses to fit data from genome scans and applied local false discovery rate and minimum total error rate methods.

Potential Biases

The study may have biases due to the assumptions made in the mixture distribution fitting.

Limitations

The methods assume independence of test statistics, which may not hold in true multipoint genome scans.

Participant Demographics

The analysis was based on nuclear family data from three populations: Aipotu, Karangar, and Danacaa.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2156-6-S1-S23

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