Statistics Colloquium
نویسنده
چکیده
A trend in all scientific disciplines, based on advances in technology, is the increasing availability of high dimensional data in which are buried important information. A current urgent challenge to statisticians is to develop effective methods of finding the useful information from the vast amounts of messy and noisy data available, most of which are noninformative. This paper presents a general computer intensive approach, based on a method pioneered by Lo and Zheng for detecting which, of many potential explanatory variables, have an influence on a dependent variable Y. This approach is suited to detect influential variables, where causal effects depend on the confluence of values of several variables. It has the advantage of avoiding a difficult direct analysis, involving possibly thousands of variables, by dealing with many randomly selected small subsets from which smaller subsets are selected, guided by a measure of influence I. The main objective is to discover the influential variables, rather than to measure their effects. Once they are detected, the problem of dealing with a much smaller group of influential variables should be vulnerable to appropriate analysis. In a sense, we are confining our attention to locating a few needles in a haystack.
منابع مشابه
Algorithmic Minimal Sufficient Statistics: a New Definition
We express some criticism about the definition of an algorithmic sufficient statistic and, in particular, of an algorithmic minimal sufficient statistic. We propose another definition, which has better properties.
متن کاملRisk and Reliability in Water Resources Management: Theory and Practice
This is scheduled to be the closing talk of the Third Kovacs Colloquium on "Risk, Reliability, Uncertainty and Robustness in Water Resources Systems". In its final form, it will attempt to capture and summarize the lessons and conclusions to be derived from the lectures and discussions at the Colloquium. The emphasis in the final paper will be on the state of the art in the theory of risk and r...
متن کاملThe Summer Meeting in Kingston
The fifty-eighth Summer Meeting and the thirty-fourth Colloquium of the American Mathematical Society were held at Queen's University and the Royal Military College, Kingston, Ontario, Canada, from August 31 to September S, 19S3 in conjunction with meetings of the Canadian Mathematical Congress, the Mathematical Association of America, the Institute of Mathematical Statistics, and the Economic ...
متن کاملConference on Spatial Information Theory Proceedings of the COSIT ’ 03 Doctoral
Foreword The COSIT Doctoral Colloquium is a unique opportunity for PhD students to present their research in a supportive environment to an international audience of students, researchers, and faculty. At the Colloquium, students receive feedback on issues such as how to identify and refine research questions, how to orally present research, and how to publish research, as well as insights into...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2009