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May
11
awarded  Popular Question
May
6
revised Distribution of Logistic of Normal
added 1 character in body
May
5
asked Distribution of Logistic of Normal
Apr
23
asked Complex exponential argument to a function
Apr
15
comment Abuse of notation in declaring a variable is a function of another?
This is an intersting idea; how does $y = y \circ id_{X}$ solve the problem? Are you saying that $y$ is a function on the both sides, and that $y(x) = (y \circ id_X) (x)$ for all $x$ (i.e is this a statement of equivalence, rather than assignment)?
Apr
14
comment Notation for a statistic, or function of a random variable
Thank you. This is a point which confuses me to no end in the literature. I usually can understand the author's meaning from context, but when thinking formally about the underlying mathematical objects I end up hopelessly lost.
Apr
14
accepted Notation for a statistic, or function of a random variable
Apr
13
comment Notation for a statistic, or function of a random variable
Does that mean $S$ is not a statistic? It is a function on real numbers, not random outcomes.
Apr
13
asked Notation for a statistic, or function of a random variable
Apr
4
comment 3 Variables, One Equation
Try this idea: $x(x-7) + y(y-7) + z(z-7) = 0$. This has 56 integer solutions. Its a sphere.
Apr
3
accepted Abstract Integration in Elementary Probability Theory
Apr
3
comment Abstract Integration in Elementary Probability Theory
Thank you. I understand the technical definitions of integration of $X$ with respect to $\mathbb{P}$. When $X$ has a density $f$, the expectation $\int_{x \in Im(X)} x f(x)dx$ is commonly explained as a weighted sum of the values $x$ that $X$ can take, where the value $f(x)dx$ is the probability that $X$ is in the neighborhood of $x$, or approximately $\mathbb{P}(X \in [x, x+dx])$
Apr
2
asked Abstract Integration in Elementary Probability Theory
Mar
20
suggested rejected edit on General Solution to a Specific Problem
Mar
20
answered General Solution to a Specific Problem
Mar
19
revised General Solution to a Specific Problem
mathjax rather than html
Mar
19
suggested approved edit on General Solution to a Specific Problem
Mar
18
comment General Solution to a Specific Problem
OK, can you share your ideas as to how you derived $P(X=x)$? It is not correct as written.
Mar
18
comment General Solution to a Specific Problem
is this a homework problem?
Mar
11
comment Interpreting the expected value as an abstract integral?
Spelling mistake.