Questions tagged [marginal-distribution]

Marginal probability distributions arise from joint probability measures on product spaces. The marginal distributions are the push-forward measures induced by the coordinate projections.

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Can I find the marginal distribution by fitting a distribution to the event dimension, rather than integrating over the variables?

I have a 6-dimensional data which I fitted with a 6-dimensional Gaussian mixture model and I would like to obtain the marginal distribution of all 1-dimensional events. However, I find it difficult to perform integration over the irrelevant…
Naomi
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Marginal distribution of a uniform distribution on a unit disk

I am trying to find the marginal pdf of a uniform distribution on a unit disk. Let $f_{XY}=\frac{1}{\pi}$, where $X^2+Y^2\leq1$ Here's my attempt: $$f_X(x)=\int^{\sqrt{1-x^2}}_{-\sqrt{1-x^2}}\frac{1}{\pi}dy = \frac{1}{2\sqrt{1-x^2}}$$ But i'm not…
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Random Variable Y given X

I have been given a joint probability distribution function and asked to find the marginal probability distributions. $$f(x,y)=\begin{cases} λ^2e^{-λy}&0\le x\le y\\ 0&\text{otherwise} \end{cases}$$ how do i compute the marginal distribution of x if…
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Marginal and Joint Distribution

Find the marginal probability density function of x. I found the marginal of y but cannot understand how to find the marginal of x. Can someone explain how do we approach this problem?