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Maximum Likelihood - Multinomial Probit Model
Here's a simplification of your code along with what I think is the corresponding code to fit using mnrfit. I think if you tight...

environ 15 ans il y a | 0

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general statistics problem: how to best characterize non-normal distributions
Some other things I might consider: 1. Look at distributions of the log(data). 2. Consider using the median and quartiles ...

environ 15 ans il y a | 1

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random number generator of normal distribution in 2D
Camilla, if you have normrnd then you must have the Statistics Toolbox. In that case check out the mvnrnd function for random nu...

environ 15 ans il y a | 0

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How to estimate Standard Error for the coefficients in ridge regression aproach
You could consider bootstrapping. If there's a standard way to do this, I'm not aware of it. You probably realize that as the...

environ 15 ans il y a | 0

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Confidence Intervals from multiple regression
This is conceivable. If you have lots of data, you might be able to estimate the coefficients very accurately even though there ...

environ 15 ans il y a | 0

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Question about GMM
Miguel, the idea is that the distribution may be a mixture of multiple components, each of which is a multivariate normal distri...

plus de 15 ans il y a | 0

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Question about Kmeans function
You have written kmeans(data,[],'Distance','sqEuclidean','emptyaction','singleton','Start',data) You don't want to spec...

plus de 15 ans il y a | 0

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How do I display different boxplot groups on the same figure in MATLAB 7.9 (R2009b)?
Start with this, modify as appropriate: month = {'Jan' 'Feb' 'Mar' 'Apr'}'; obsim = {'Obs' 'Sim'}'; n = 400; b...

plus de 15 ans il y a | 0

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Using a sample PDF to generate random numbers
The distribution is the "kernel" you used. By default it is normal. Multiply by the bandwidth, which is the third output from ks...

plus de 15 ans il y a | 0

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Using a sample PDF to generate random numbers
A kernel smooth density is a little normal or similar curve centered at each data point, with all of them summed up. The simples...

plus de 15 ans il y a | 0