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Topic: Convergence of random variables


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In the News (Fri 17 Feb 12)

  
  Convergence of random variables - Wikipedia, the free encyclopedia
The convergence (in one of the senses presented below) of sequences of random variables to some limiting random variable is an important concept in probability theory, and its applications to statistics and stochastic processes.
Convergence in probability is, indeed, the (pointwise) convergence of probabilities.
Convergence in probability is the notion of convergence used in the weak law of large numbers.
en.wikipedia.org /wiki/Convergence_of_random_variables   (907 words)

  
 Random variable - Wikipedia, the free encyclopedia
A random variable is a term used in mathematics and statistics.
Unlike the common practice with other mathematical variables, a random variable cannot be assigned a value; a random variable does not describe the actual outcome of a particular experiment, but rather describes the possible, as-yet-undetermined outcomes in terms of real numbers.
Mathematically, a random variable is defined as a measurable function from a probability space to some measurable space.
en.wikipedia.org /wiki/Random_variable   (1235 words)

  
 Random variable - LearnThis.Info Enclyclopedia   (Site not responding. Last check: 2007-10-08)
For example, rolling a die and recording the outcome yields a random variable with range { 1, 2, 3, 4, 5, 6 }.
If a random variable X:Ω->R defined on the probability space (Ω, P) is given, we can ask questions like "How likely is it that the value of X is bigger than 2?".
There are saveral different senses in which random variables can be considered to be equivalent.
encyclopedia.learnthis.info /r/ra/random_variable_1.html   (861 words)

  
 Random variable 1 - Wikipedia, the free encyclopedia
Start the Random variable 1 article or add a request for it.
Look for Random variable 1 in Wiktionary, our sister dictionary project.
Look for Random variable 1 in the Commons, our repository for free images, music, sound, and video.
www.sciencedaily.com /encyclopedia/random_variable_1   (155 words)

  
 Lemmata   (Site not responding. Last check: 2007-10-08)
We now establish a relation between the rate of growth of the normalizing constants in a convergence-in-distribution statement and the distance of the random variables to their expectation.
which is a sequence of constant random variables that trivially fulfills the condition of Lemma 6.6.
We finish this section by a Lemma on multivariate normal distributions which states that a linear transform of a multivariate normal distribution is multivariate normal again.
random.mat.sbg.ac.at /~ste/diss/node36.html   (474 words)

  
 ST213 Mathematics of Random Events
This course aims to provide an introduction to the mathematical ideas underlying the notion of randomness, which permeates through much of modern applied mathematics as well as statistics and probability theory.
understand the notions of convergence in probability and almost sure convergence, and the use of almost sure convergence in computation of integrals and expectations.
Convergence of random variables, laws of large numbers for random variables, convergence of integrals and expectations, dominated convergence theorem, examples.
www.warwick.ac.uk /statsdept/teaching/ST213.html   (485 words)

  
 Random processes, autumn 2000
Generate random numbers from (a) the Rayleigh, and (b) the Gaussian distribution.
Simulate the length of the random subinterval which happens to contain Y and calculate thereafter its theoretical distribution.
Estimate, by means of simulation, the distribution of the random variable X'(tk), where X' denotes the derivative of X. Give an analytical derivation of the distribution of X'(tk).
www.md.chalmers.se /~marianne/random_processes.html   (629 words)

  
 Almost Sure Convergence For Iterated Functions Of Independent Random Variables - Jordan (ResearchIndex)
Abstract: We consider a class of probabilistic models obtained by iterating random functions of k random variables.
The symmetry condition is satisfied if the initial random variables are exchangeable.
7 Hierarchical sequences of random variables (context) - Shneiberg - 1986
citeseer.ist.psu.edu /431596.html   (412 words)

  
 [No title]   (Site not responding. Last check: 2007-10-08)
Concepts of Probability: Combinatorial analysis, conditional probability, random variables and their distributions, generating functions, sums of independent random variables.
Measure Theoretic Foundations: Probability measures, random variables, transformations of random variables, distribution functions, expectation, modes of convergence of random variables, Kolmogoroff existence theorem, independence, conditional expectation.
Convergence in Distribution: Weak convergence of probability measures, Portmanteau theorem, characteristic functions, Levy continuity theorem, central limit theorems including Lineberg-Feller central limit theorem, infinite divisibility.
www.lehigh.edu /~math/prob.html   (159 words)

  
 [No title]   (Site not responding. Last check: 2007-10-08)
Concepts of Probability: Combinatorial analysis, conditional probability, random variables and their distributions, generating functions, sum of random variables, probability modeling.
Measure Theoretical Foundations: Probability measures, random variables, transformations of random variables, distribution functions, expectation, modes of convergence of random variables, independence, conditional expectation.
Convergence in Distribution: Weak convergence of probability measures, characteristic functions, Levy continuity theorem, central limit theorems.
www.lehigh.edu /~math/appprob.html   (136 words)

  
 Math 526 - Nikola Petrov   (Site not responding. Last check: 2007-10-08)
Markov chains (Chapman-Kolmogorov equations, persistence and transience, stationary distributions, reducibility, limit theorems, ergodicity, Poisson and birth-death processes), martingales and martingale convergence theorem, random processes (stationary, renewal, queueing, and Wiener processes, spectral representation, ergodic theorem, Gaussian processes), diffusion processes, introduction to stochastic differential equations.
Lecture 10 (Mon, Feb 14): Thinning (Exercise 6.8.2), arrival and interarrival times, independence and exponential distribution of interarrival times, lack of memory of exponential random variables, Gamma distribution of arrival times, birth process, special cases (Poisson, simple birth, simple birth with immigration), forward and backward equations (Sections 6.8.7-13).
Lecture 17 (Wed, Mar 16): Proof of Doob-Kolmogorov inequality, types of convergence of random variables, Martingale Convergence Theorem (no proof), example of application (Sections 7.8.2-3, 7.2.1, 7.2.3, 7.8.1, 7.8.6).
www.math.lsa.umich.edu /~npetrov/math526_w05.html   (1407 words)

  
 Generalized Poisson Models and their Applications in Insurance and Finance: Contents
Convergence of distributions of randomly indexed sequences to identifiable location or scale mixtures.
The asymptotic behavior of extremal random sumsNecessary and sufficient conditions for the convergence of distributions of random sequences with independent random indices
Conditions of convergence of the distributions of compound Cox processes with zero mean.
www.vsppub.com /books/mathe/cbk-GenPoiModtheAppInsFin.html   (654 words)

  
 Theory of Cost Measures: Convergence of Decision Variables - Akian (ResearchIndex)   (Site not responding. Last check: 2007-10-08)
Probability measures correspond to minimums of functions that we call cost measures, whereas random variables correspond to constraints on these optimization problems that we call decision variables.
For tight sequences, the convergence in cost implies the weak convergence.
Akian, M.: Theory of cost measures: convergence of decision variables.
citeseer.ist.psu.edu /290093.html   (725 words)

  
 Statistics1   (Site not responding. Last check: 2007-10-08)
Sample space and events, Probability measures and probability space-Random variables, Disorete and Continious random Variables, probability density and distribution functions.
Convergence in probability, almost sure, everywhere and in distribution - Weak law and strong law of large numbers, central limit theorem -(Lindeberg - Levy, Liapounor’s, Lindoberg - Feller’s).
Variables, Constants, Strings, flow charts, Basic expression and control statements, standard Library functions, subsevipted Variables.
www.tn.gov.in /tnpsc/statp1.htm   (325 words)

  
 Short Book Reviews On-Line 2001
The author pays special attention to the distinction between design-based inference where randomness is introduced by the manner in which the data are collected, and model-based inference where randomness is introduced by the model assumptions.
The main concepts, including fixed and random effects with both normal and binomial data, are introduced in the early chapter on one-way classification.
The approach is illustrated with examples involving random variables with few points of support.
isi.cbs.nl /sbr/sbrRev2001.htm   (7251 words)

  
 Almost sure convergence for iterated functions of independent random variables, Jonathan Jordan
Almost sure convergence for iterated functions of independent random variables, Jonathan Jordan
Almost sure convergence for iterated functions of independent random variables
We consider a class of probabilistic models obtained by iterating random functions of $k$ random variables.
projecteuclid.org /getRecord?id=euclid.aoap/1031863178   (114 words)

  
 Random processes, autumn 2004
Registration: Agneta Kinnander, agnetak@s2.chalmers.se at Signal Processing is in charge of the administration of the course.
The book can be bougth from some internet store, for example Bokus.
Your task is to implement the method in Matlab, and verify that it works.
www.math.chalmers.se /~jennya/random_processes2004.html   (677 words)

  
 Exercises in Probability - Cambridge University Press   (Site not responding. Last check: 2007-10-08)
Derived from extensive teaching experience in Paris, this book presents around 100 exercises in probability.
The exercises cover measure theory and probability, independence and conditioning, Gaussian variables, distributional computations, convergence of random variables, and random processes.
For each exercise the authors have provided detailed solutions as well as references for preliminary and further reading.
www.cambridge.org /catalogue/catalogue.asp?ISBN=0521825857   (424 words)

  
 Math 561. Theory of Probability I
Connections with measure theory; Convergence of random variables: a.s., convergence in L
The weak law of large numbers for square-integrable random variables; Large deviations; Central Limit Theorem
Weak convergence and the Prohorov metric; The topology of measure space
www.math.uiuc.edu /Bourbaki/Syllabi/syl561.html   (83 words)

  
 ENEE 620 – Random Processes   (Site not responding. Last check: 2007-10-08)
References     -           “Probability, Random Variables and Stochastic Processes”,
Convergence of Random Variables – Chapter 7 of Grimmett and Stirzaker
Random Signal Processing  - Chapter 7 of  Leon-Garcia  (*)
www.ee.umd.edu /~hyongla/enee620.htm   (106 words)

  
 FALL 1999   (Site not responding. Last check: 2007-10-08)
The objective of this course is to provide a solid mathematical foundation of probability theory for students interested in various applied areas such as finance, economics, electrical engineering, operational research, and computational mathematics.
Prerequisites: Elementary probability (AMS507 or AMS310), at least two semesters of undergraduate calculus (AMS504 is useful but not required).
1/31 Probabilities and Random Variables on a Countable Space
www.ams.sunysb.edu /~feinberg/courses/ams569/syllabus.htm   (239 words)

  
 DIALNET: Convergence of weighted sums of random variables and uniform integrability concerning the weights
DIALNET: Convergence of weighted sums of random variables and uniform integrability concerning the weights
Si pertenece a una biblioteca que colabora con DIALNET puede disfrutar de servicios de valor añadido
Convergence of weighted sums of random variables and uniform integrability concerning the weights
dialnet.unirioja.es /servlet/oaiart?codigo=1000626   (101 words)

  
 Mika Seppälä: Single Variable Calculus
Integral Test for the Convergence of Series and the Harmonic Series
The Ratio and the Root Test for Convergence of Series
Summary of Convergence Tests for Series and Solved Problems
webalt.com /Calculus-2006   (359 words)

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