Advanced Environmental Data Analysis

EAS 6490  FALL 2011

Elba Island, FORNO
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SYLLABUS


INSTRUCTOR:
Prof. Emanuele Di Lorenzo 
phone 404-894-3994, web  
office ES&T 3252 
email edl@eas.gatech.edu 

TA:
Andrew Davis
 
phone 864-357-6761  
office ES&T 3162  
email
andrew.davis@gatech.edu
CLASS:
ESM
210, MW 3:05 - 4:25 PM

TEXT:
Discrete Inverse and State Estimation Problems

Carl Wunsch, Cambridge Press.

Class notes on Objective Analysis
Dennis Hartmann, Web Notes


COURSE PHILOSOPHY AND GOALS
: This course is an advanced introduction to environmental data analysis. It is intended for first year graduate students and senior undergraduates. The goal of this class is to provide a deeper understanding of the theory underlying the statistical analysis of environmental data, both in the space, time and spectral domain, and to provide the students with a hands on experience. Ideally at the end of this class you will have developed a series of computer programming tool boxes and theoretical skills that should immediately be available for analyzing and modeling data in your own research.
Although some previous knowledge of probability and statistics is required, a background review will be provided. Concepts and notation will be reintroduced as needed. In this class you will learn (A) how to combine models, which quantify statistical or dynamical relationships, with observations, (B) time series analysis, (C) forecasting and extrapolation and (D) signal decomposition. A more detail description of these topics is appended in the
LECTURE TOPICS below.

HOMEWORK: There will be a homework assignment approximately every two weeks. You will be required to learn some computer programming skills with either MATLAB or the R –software (http://www.r-project.org/) or IDL or anything you wish. If you do not have access to a computer with these software you will be provided with an account at the beginning of the semester. The type of data to be analyzed in the homeworks will vary depending on the interest of the attending students.

EXAMS: There is going to be a short MIDTERM and a FINAL presentation.

FINAL PRESENTATION: To help you put into practice your data analysis skills you will be asked to choose a data analysis project, possibly involving your own research data, that you will present at the end of the semester. The project is to be chosen based on a set of questions that you would like to answer rather than the type of data analysis technique you would like to apply, and it may require the use of one or more data analysis techniques.

GRADING: 50% Homework, 25% Midterm, 25% Presentation.


LECTURE TOPICS:

*
Background Review: Matrix and Vector Algebra, Fundamental Statistical Measures, Multivariable Probability Densities, Sample Estimates, Correlation and Covariance, Function and Sums of Random Variables, Central Limit Theorem.
(3 lectures)

*
Combining models and observations: Interpolation and Function Fitting, Least Square modeling and Singular Vector Expansion, Uncertainties in Estimates, Inverse Methods, Statistical vs. Dynamical Constraints.
(7 lectures)

*
Time Series Analysis: Time and Frequency Domain Models, Stationarity, Auto-Regression Models, Spectral Analysis and Coherence, Trend Analysis and Significance, Estimating errors in time series reconstruction.
(8 lectures)

*
Forecasting and Extrapolation: Statistically Optimal Linear Estimators, Regression models, space and time models, objective mapping (multivariate regression), covariance modeling.
(7 lectures)

*
Decomposing signals: Multivariate eigenfunction analysis, EOFs, PCA, CCA, and Wavelet analysis
(5 lectures)

*
Student Presentations: 2-3 lectures


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