# Questions tagged [probability-or-statistics]

Questions about systematic data collection and organization, or the application of probability theory to model the inherent patterns and properties of sampled data, underlying data distribution(s) or random processes.

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### Can this previously solved three-dimensional constrained integration also be solved with certain added products in the integrand?

In Solved3DConstrainedIntegration the constrained three-dimensional (Hilbert-Schmidt-metric-based HSmetric) integration problem for the absolute separability probability of the two-qubit (quantum bit)...
290 views

### Polynomial fitting to obtain the growth rate

We -- my friend -- had asked a question here, which was not completely related to Mathematica, however, in a hope that someone familiar with the topic could help. There are still some aspects which we ...
65 views

### Convolution of two independent geometric random variables with parameters $p$ and $q$ [closed]

I am trying to use Mathematica to do some computations in Advanced Probability. I am quite new to Mathematica, so I need help in understanding the Convolve function. I used Mathematica 11 to compute ...
57 views

### How can I change the visualization of a ListPointPlot3D? [closed]

I have the following code ...
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### How to draw a line marking where each chapter occurs in a text? [duplicate]

I am performing a text analysis on C.S. Lewis's book The Lion, the Witch, and the Wardrobe. I have created the following analysis of textual occurences of Aslan or Lion, Peter, Lucy, Edmund, Susan, ...
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### Root mean square error of bearings

I have two sets of bearing angle data, one is forecast and the other one is actual, i.e. ...
66 views

### Full Information Maximum Likelihood - Under some other name in Mathematica

I have recently stumbled upon something called FIML - Full Information Maximum Likelihood. Apparently this methodology helps overcome missing variables provided the gaps are random. Searching the ...
302 views

### How can I speed up RandomVariate in the following case?

I would like to generate random values of some parameter with the weight being the Poisson distribution. An important point is that each time I generate the random number I need to consider the ...
104 views

### How to obtain the variance of a chi-squared distribution with Mathematica

I'm new to Mathematica and would like to show that for $x_1, ..., x_k$ independent, standard normal random variables the variance of the sum of their squares, i.e., $var(\sum_{i=1}^kx_k^2)$, is equal ...
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### CDF of a learned distribution doesn't evaluate

In this simple example ...
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### Appropriate syntax for constructing frequency table and histogram from experiment with three or more dice?

if I say to input 3, how do I get MMA to make me a table with all the cases on the left, in the center their frequency and on the right a histogram,bar chart, or some other way to represent the above. ...
46 views

### I have found out CDFs of 2 data and listed them. I need to find out the composition of such 2 CDFs

x= RandomVariate[ExponentialDistribution, 10] y = RandomVariate[ExponentialDistribution, 10] f = EmpiricalDistribution[x] ...
226 views

### Any suggestions for improving my fitting?

This is not a completely Mathematica question, but I hope people who are familiar both with Mathematica and statistics could help me on this. I have a set of data as ...
93 views

### Estimating parameters of a custom or constrained distribution

I am trying to estimate the parameters of a custom distribution (an approximation of the skew normal), but I can't get Mathematica to use DistributionFitTest, EstimatedDistribution, or ...
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### Fixed-Effects Model in Mathematica

I need to fit a model with fixed effects (country and time) to adress the multivariate relation between a dependent variable for 22 countries over 8 years and two independents with the same dimensions....
207 views

### Fokker-Planck equation [closed]

Is there any package for simulation of Fokker-Planck equation in Mathematica? Or, in general for stochastic differential equations?
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### Proper probability distribution formatting for DistributionFitTest

I am trying to use an exponentially modified gaussian to fit a distribution, but I think I may be misunderstanding something about how probability distributions work in Mathematica. Running ...
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### Is ChiSquarePValue from Hypothesis testing package incorrect? [closed]

Needs["HypothesisTesting`"]; ChiSquarePValue[2/10, 1] gives OneSidedPValue -> 0.345279 whereas ...
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### Can LearnDistribution learn conditionality?

I would like to apply LearnDistribution to multivariate conditional distributions. Here's a simple artificial example: ...
440 views

Executing ...
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### Implementing approximatePDF function

Sometimes distribution is too complicated for built-in PDF command, so it would be useful to have approximatePDF[dist,x,n] which ...