Questions tagged [poisson]

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How to implement large-scale Poisson Regression in Python

I am trying to implement a Poisson Regression in Python to predict rates. I am dealing with a ton of data (too much to store in a DataFrame), which means that using the standard statsmodels.api GLM ...
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Poisson distribution, Standard deviation, fitting line

Let's say I have system A, B, C, and D. Each system contains 10000 numbers generated by Poisson distribution. The difference is the mean is different for different systems. I calculated the std dev ...
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Poisson model with overdisperssion

I'm working with a dataset $X$ (of length $N$) of count data, which looks like: I developed a statistical model which can be improved, so I'm asking for any suggestions, for instance, differnet ...