Data-driven computational method created

May 29, 2007

A U.S. statistician has created a data-driven computational approach that's revealing secrets about the inner Earth, as well as gene expression.

"Using mathematical concepts from inverse scattering and modern statistics, we let the data 'speak,' and automatically generate an appropriate model," said Ping Ma, a University of Illinois professor of statistics.

To study features deep within Earth, for example, Ma and colleagues process seismic data with a numeric technique called inverse scattering. Instead of beginning with a geophysical structure and calculating the scattering, the researchers use the scattered seismic waves to reconstruct the scattering structures.

But the data-driven statistical methodology isn't limited to analyzing seismic data. In computational biology, for example, Ma and colleagues have used the technique to discover unique patterns of gene expression in fruit flies and roundworms. They've also used it to study differential gene expression of the retinal development in zebra fish and to explore the effect of histone modifications on gene transcription rates in yeast.

A paper describing the technique has been accepted for publication in the Journal of Geophysical Research.

Copyright 2007 by United Press International

Explore further: Scientists suggest a PC to solve complex problems tens of times faster than with massive supercomputers

Related Stories

Neutron scattering confirms DNA is as stretchy as nylon

September 8, 2011

(PhysOrg.com) -- Neutron scientists at the Institut Laue-Langevin (ILL, France) have measured how fast sound travels along DNA to determine its ‘stiffness’. These findings help to explain how DNA folds, coils and ...

Computing a cure for HIV

June 27, 2014

HIV/AIDS has caused an estimated 36 million deaths, according to the World Health Organization, and remains a major menace worldwide. Today, approximately 35 million people are living with the human immunodeficiency virus ...

Recommended for you

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.