18 questions linked to/from What distribution does my data follow?
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### Fitting data to a log-normal distribution [duplicate]

For a simulation study I've been trying to find an appropriate distribution for job handling times in R. I have a very large dataset of 77010 records (handling time in seconds). I've been exploring ...
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### Finding a suitable distribution for data in R? [duplicate]

I have a set of data with summary as below: The data are non-normal and transformations did not obtain normality. Given the data are continuous I have narrowed the range of distribution down to '...
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### Weibull distribution parameters $k$ and $c$ for wind speed data

Hi can the same be shown to obtain shape and scale parameter for modified maximum likelihood method
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### How find a distribution for a set of data?

Hi I have a set of data(message with different size) in excel like (over 5000 entries): ...
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### Different non-parametric methods for estimating the probability distribution of data

I have some data and was trying to fit a smooth curve to it. However, I do not want to enforce too many prior beliefs or too strong pre-conceptions (except the ones implied by the rest of my question) ...
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### Fitting mixture distributions and computing goodness-of-fit?

This question is a follow-up from a previous question of mine here. Thanks to @Glen_b, @gung and @rbatt for teaching me so many new things yesterday. It was mentioned in passing that mixture ...
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### Goodness of fit test for a mixture in R

I just estimated the parameters for a mixture of two gaussians with different means and different sigmas, I would like to test if the data adjusts well to the explicit form of the mixture, do I ...
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### What is a density function?

I know about histograms and also know that if we connect the mid-points on the top of bars in a histogram we will get a frequency polygon. This polygon could then be 'smoothed' in a way that it ...
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### How to model distributions which are not normally distributed

I would like to model the performance of a rainwater tank, which has a stochastic input (rainfall). The data are the empty volume in the tank at the end of each day. The values are skewed towards the ...
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### How to find the distribution of data with data fitting

I need to do data fitting to find the distribution of given data. I need to find the PDF function of the distribution. I can use data fitting functions in MATLAB and Python. It looks like a ...
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### Determining probability distribution for datasets with missing values

As a part of my exploratory data analysis (EDA) prior to further analysis, I'm trying to determine a probability distribution of my pilot dataset's variables. A particular feature of this dataset is a ...
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### How do I identify the “Long Tail” portion of my distribution?

I have a number of series that would typically be described as normal skewed or Gamma distributed. For example, say I have a group of customers and have calculated their spend over a fixed length of ...
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### Determining distribution of a set of ordered numbers

I've always wondered this. Let's say someone gives you a spreadsheet with a large set of numbers, say 10,000, and says "What distribution does this set of numbers follow (Gaussian, exponential, ...