power-law Questions

2

Solved

I'm experimenting with fitting a power law to empirical data using the powerlaw module. I have created the following data that follows a power law distribution of exponent 2: x = range(1,1000) y =...
Forestall asked 11/8, 2013 at 0:39

4

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... help and online documentation say the function scipy.stats.pareto.fit takes as variables the dataset to be fitted, and optionally b (the exponent), loc, scale. the result comes as triplet (expo...
Grey asked 18/3, 2013 at 0:57

2

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I am considering the number of occurrence of unique words in the Moby Dick novel and using the powerlaw python package to fit words’ frequencies to a power law. I am not sure why I can't recapitula...
Ronna asked 4/8, 2019 at 22:47

3

I am currently trying to find a way to calculate a power-law fit for a cut-off distribution with MLE. The distribution looks as follows: As you can see, I was able to fit the whole distribution ...
Raynell asked 15/7, 2017 at 15:6

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I have two data sets index_list and frequency_list which I plot in a loglog plot by plt.loglog(index_list, freq_list). Now I'm trying to fit a power law a*x^(-b) with linear regression. I expect th...
Public asked 29/9, 2020 at 15:30

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I am trying to find a curve fitting my data that visually seem to have a power law distribution. I hoped to utilize scipy.optimize.curve_fit, but no matter what function or data normalization I...
Millican asked 12/12, 2016 at 20:38

2

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Suppose I'm fitting some data points by a simple linear regression. Now I'd like to perform several joint linear regressions for several sets of data points. More specifically, I want one parameter...
Earhart asked 11/12, 2018 at 16:44

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I'm using Jeff Alstott's Python powerlaw package to try fitting my data to a Power Law. Jeff's package is based on the paper by Clauset et al which discusses the Powerlaw. First, some details on m...
Murry asked 13/3, 2018 at 21:22

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Hey there I'm working on a textgenerator, that should generate millions of different texts. to make the content of each text realistic I used Zipf's Law It is working well, the word distribution is...
Spiraea asked 24/11, 2014 at 13:10

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I'm writing some tests for a C++ command line Linux app. I'd like to generate a bunch of integers with a power-law/long-tail distribution. Meaning, I get a some numbers very frequently but most of ...
Orelu asked 28/5, 2009 at 1:13

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I'm trying to fit some data to a power law using python. The problem is that some of my points are upper limits, which I don't know how to include in the fitting routine. In the data, I have put t...

4

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I have the following list: [6, 4, 0, 0, 0, 0, 0, 1, 3, 1, 0, 3, 3, 0, 0, 0, 0, 1, 1, 0, 0, 0, 3, 2, 3, 3, 2, 5, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 2, 0, 0, 0, ...
Filariasis asked 19/5, 2013 at 23:16

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This problem is based on a puzzle by Joel Spolsky from 2001. A guy "gets a job as a street painter, painting the dotted lines down the middle of the road." On the first day he finishes up...
Empurple asked 13/6, 2014 at 10:0

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I'd like to combine a few metrics of nodes in a social network graph into a single value for rank ordering the nodes: in_degree + betweenness_centrality = informal_power_index The problem is tha...
Kraska asked 1/4, 2009 at 3:9

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I want to carry out a linear regression in R for data in a normal and in a double logarithmic plot. For normal data the dataset might be the follwing: lin <- data.frame(x = c(0:6), y = c(0.3, ...
Finely asked 8/6, 2011 at 10:50
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