What does exchangeable random variables mean?
Definitions for exchangeable random variables
ex·change·able ran·dom vari·ables
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Wikipedia
Exchangeable random variables
In statistics, an exchangeable sequence of random variables (also sometimes interchangeable) is a sequence X1, X2, X3, ... (which may be finitely or infinitely long) whose joint probability distribution does not change when the positions in the sequence in which finitely many of them appear are altered. Thus, for example the sequences X 1 , X 2 , X 3 , X 4 , X 5 , X 6 and X 3 , X 6 , X 1 , X 5 , X 2 , X 4 {\displaystyle X_{1},X_{2},X_{3},X_{4},X_{5},X_{6}\quad {\text{ and }}\quad X_{3},X_{6},X_{1},X_{5},X_{2},X_{4}} both have the same joint probability distribution. It is closely related to the use of independent and identically distributed random variables in statistical models. Exchangeable sequences of random variables arise in cases of simple random sampling.
Numerology
Chaldean Numerology
The numerical value of exchangeable random variables in Chaldean Numerology is: 9
Pythagorean Numerology
The numerical value of exchangeable random variables in Pythagorean Numerology is: 7
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"exchangeable random variables." Definitions.net. STANDS4 LLC, 2024. Web. 27 Apr. 2024. <https://www.definitions.net/definition/exchangeable+random+variables>.
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