# Tagged Questions

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### Plot PDF and CDF for normal distribution in matlab [migrated]

I couldn't find functions in matlab's API (including in the statistical toolbox) that implement functions which get as input: $\mu$ and $\sigma$ for normal distribution and plot the PDF and CDF. If ...
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### Multivariate normal density function

I am trying to compute multivariate normal distributions at some points. I am using Matlab's mvnpdf function: ...
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### how to generate samples with the given autocorrelation function

I want to generate some spatial data where the points/location in the space form a multivariate gaussian distribution. I want these points to have certain autocorrelation given by the variogram model ...
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### How to test my data against an specific normal distribution?

I need to test my data to see if it follows a normal distribution with specific mean and std like N~(mu, std) I know that this can be done by Kolmogorov-Smirnov test which has a function in both ...
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### Metropolis-Hastings algorithm, using a proposal distribution other than a Gaussian in Matlab

I am currently working on my final year project for my mathematics degree which is based on giving an overview of the Metropolis-Hastings algorithm and some numerical examples. So far I have got some ...
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### How can I check whether two signals are jointly normally distributed?

As explained on this Wikipedia page, if two random variables X and Y are uncorrelated and jointly normally distributed, then they are statistically independent. I know how to check whether X and Y ...
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### GMM with Bayes decision model

Given two classes of training data (A and B), I want to fit each class' distribution using a GMM with k components, and then use Bayes Decision Model for the classification. The first step was to ...
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### Testing if data comes from a normal distribution with mean 0 and unknown variance in Matlab

Question I have a vector of data, and I want to test if it came from a normal distribution with mean zero and unknown variance. Do you know if there is matlab function or simple script for this? If ...