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linregconf

Perform linear least squares regression, accounting for uncertainty, using linear algebra methods

https://github.com/sflury/linregconf

Science Score: 67.0%

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    Low similarity (11.4%) to scientific vocabulary
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Repository

Perform linear least squares regression, accounting for uncertainty, using linear algebra methods

Basic Info
  • Host: GitHub
  • Owner: sflury
  • License: gpl-3.0
  • Language: Python
  • Default Branch: main
  • Size: 62.5 KB
Statistics
  • Stars: 0
  • Watchers: 1
  • Forks: 0
  • Open Issues: 0
  • Releases: 1
Created over 2 years ago · Last pushed about 1 year ago
Metadata Files
Readme License Citation

README.md

LinRegConf

Perform linear least squares regression, accounting for uncertainty, using linear algebra methods to minimize the objective function (in this case, $\chi^2$).

When using this code, please cite this repository using the reference provided here by GitHub.

Example

``` python import numpy as np from LinRegConf import LinRegConf

make fake data

np.random.seed(123) n = 10 xdata = np.random.rand(n) ydata = 2x_data+1 + np.random.randn(n)0.1 xerrs = np.max([abs(np.random.randn(n)*0.05),np.zeros(n)+0.05],axis=0) yerrs = np.max([abs(np.random.randn(n)*0.1),np.zeros(n)+0.1],axis=0)

fit plus confidence intervals (supports any polynomial order)

automatically incorportates y errors if given

for now, x errors are only for plotting

fit = LinRegConf(xdata,ydata,xerr=xerrs,yerr=yerrs,n_poly=1,p=0.05)

print best-fit parameters

fit.pprint()

plot fit plus data

fit.plot() a0 x^0 : 1.023 +/- 0.109 a1 x^1 : 2.025 +/- 0.188 ``` image of a linear fit to data with 95% confidence intervals

BibTeX Reference

bibtex @SOFTWARE{Flury_LinRegConf, author = {{Flury}, Sophia R.}, title = "{LinRegConf}", year = 2024, month = jan, version = {1.0.0}, url = {https://github.com/sflury/LinRegConf}, doi = {10.5281/zenodo.15577097} }

DOI

Licensing

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.

Owner

  • Name: Sophia Flury
  • Login: sflury
  • Kind: user

Citation (CITATION.cff) 

cff-version: 1.2.0
message: "If you use this software, please cite it as below."
authors:
- family-names: "Flury"
  given-names: "Sophia"
  orcid: "https://orcid.org/0000-0002-0159-2613"
title: "LinRegConf"
version: 0.1
doi: 
date-released: 2024-01-04
url: "https://github.com/sflury/LinRegConf"

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