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Advanced econometrics
Chapter 3
Basic probability theory, review
Random variable (broken: use https://www.youtube.com/watch?v=LXHYs40tZfo
Distribution functions
Standard normal
Expected value of a discrete random variable
Expected value of a continuous random variable
The variance of a random variable
The expected value and variance of a linear function of a random variable
The normal distribution
Covariance, correlation and independence (intro)
Conditional expectation and conditional variance, introduction
Sample as a sequence of random variables
Random vectors
Random vector
The variance of a random vector
Expected value and variance for random vectors
Expected value and variance for random vectors
The variance matrix must be positive semidefinite
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Random variable (broken: use https://www.youtube.com/watch?v=LXHYs40tZfo
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