All Questions
Tagged with histograms fitting
13 questions
5
votes
2
answers
868
views
Fit function to histogram
I have a list:
histx={-56.6335, -57.2327, -57.8607, -57.9682, -57.0061, -57.1872,-56.9209, -56.1284,...};
I managed to create the histogram that I wanted to:
But ...
- 401
5
votes
0
answers
424
views
Histogram (automatic binning)
There are different methods for choosing widths of bins for a histogram, like Freedman-Diaconis rule. In Mathematica, without choosing a specific method, with the command ...
user79703
1
vote
0
answers
58
views
Find custom distribution parameters that best fit the PDF/CDF data histograms [duplicate]
I have the probability and cummulative density histograms of some data. I need to find the parameters of a custom distribution that best fit the data. For probability distributions included in ...
1
vote
1
answer
622
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How to fit a Weibull distribution function to histogram with unequal bins?
Whenever the function "FindDistributionParameter" is used in Wolfram Mathematica, it needs two inputs: raw data and distribution function.
I have a problem where I have have data and I need to use ...
- 453
1
vote
1
answer
445
views
Fitting tail of distribution to Generalized Pareto Distribution
Hello, I have a problem in Mathematica and I don’t know if you could help me. I’m trying to compare the “performance” of a Laplace distribution and a Generalized Pareto Distribution (GPD) for the tail ...
1
vote
0
answers
73
views
Getting a PDF from a NonlinearFitModel
With the help of @JimB, I could fit some experimental data with a CDF using NonLinearFitModel. The set of data is the following:
...
0
votes
2
answers
226
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Partitioning Mixture Distribution Dataset into constituent Distributions
Suppose I have a dataset that is derived from a random sampling from a mixture distribution
...
- 427
2
votes
1
answer
132
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Fitting an equation to data set, am I doing this right?
I have a large data set of different values of time. I want to make
1) a histogram
2) fit an exponential function of form A+B*exp(-t/b) from the data
To my understanding, this is how I'd do it
<...
- 21
0
votes
0
answers
175
views
Mixture distribution fitting containing a uniform distribution
I have a dataset that is clearly the mixture of 3 known distributions which can be generated as follows:
...
- 427
0
votes
0
answers
95
views
Plot moments as a function of bin size?
I need to plot moments of a distribution as a function of bin size to show whether or not the tails of this data set are Gaussian. My data is in [pastebin.com/nzCs5BwE.][1]
Here is how I've plotted ...
- 15
0
votes
1
answer
476
views
data fitting and p value compute
I have a list of data:
data
I want to find the best fit distribution curve and then fit curve. After finding the fitting distribution, I want to compute the Pearson chi-square to test the fitting ...
- 195
12
votes
3
answers
6k
views
How to make a multi-peak histogram fitting
I got a multipeak histogram from my data and want to fit it using a Gaussian Distribution function.
...
- 121
11
votes
2
answers
2k
views
Trying to fit an unknown extreme distribution
First up, I'm quite new to Mathematica so any hints on better code would be greatly appreciated.
I have some histogram frequency data from an unknown distribution that I'm trying to fit. Here's the ...
- 211