# 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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### Draw a probability tree like this

I am trying to draw a probability tree like this I have never use tree in Mathematica, therefore, I don't know how to start. How can I draw the above tree? I Know that, using Mathematica calculus ...
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1 vote
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### Why is the result of this integration coming out as a list if the function being integrated just returns a numerical value?

I am trying to integrate over a Dirichlet distribution. Instead of using the built-in function, I defined it myself as: ...
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### How is the reference line in QuantilePlot defined?

We know that, when using QuantilePlot to visualize data, a reference line will be added by default. For example the red line below: ...
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1 vote
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### Max and Transpose in the Probability of a Union

If I have the code that gives the probability of the sum in general ...
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### Probability of a union with probability function of vector

I want to calculate the probability of a discrete random variable. ...
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### Numerically solved PDE of Ornstein–Uhlenbeck process on 2-Simplex violates conservation of probability

Thanks for your consideration. I'm working to create a solution of an Ornstein-Uhlenbeck process with a force that takes mass towards the centre of a Simplex. I'm assuming absorbing boundaries. The ...
1 vote
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### What methods can quickly determine the coefficient of determination of the data?

The given data is: x = {0.04, 0.06, 0.04, 0.08, 0.08, 0.05, 0.05, 0.07, 0.07, 0.06}; y = {0.25, 0.4, 0.22, 0.54, 0.51, 0.34, 0.36, 0.46, 0.42, 0.4}; Is there a ...
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### Plotting of Lorenz and Bonferroni graphs

enter image description hereHow to draw the Lorenz (𝐿𝐹 (𝑡)) and Bonferroni (𝐵𝐹 (𝑡)) curves for the given distribution with 3D version with interpretation with varying parameters, and when the ...
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1 vote
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### The best way to guess the needed data using Mathematica?

I have a question, which is not entirely related to Mathematica, and would appreciate any help on this matter. I have the following dataset, which shows the growth of a bacterium in a specific medium: ...
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