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pycse

Use when performing regression analysis with confidence intervals, solving ODEs, fitting models to experimental data, or caching expensive scientific computations - provides convenient wrappers around scipy that automatically calculate confidence intervals and prediction bounds for linear, nonlinear, and polynomial regression

15stars2forksUpdated 3/3/2026

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About pycse

pycse is a Python library designed to simplify and automate regression analysis, model fitting, and scientific computation tasks, while providing confidence intervals for parameter estimates. It extends the functionalities of numpy and scipy with convenient wrappers that save users from manually computing confidence intervals, prediction bounds, and related statistical calculations. The main benefit of pycse is its ability to reduce the complexity of tasks such as regression analysis and model comparison into minimal code, making it accessible for users without deep statistical or computational backgrounds. With pycse, users can achieve robust statistical results with just a few lines of code rather than relying on lengthy, error-prone manual methods.

The library supports various types of regression including linear, nonlinear, and polynomial fits. It also provides tools for solving ordinary differential equations (ODEs), comparing models using statistical criteria such as the Bayesian Information Criterion (BIC), and generating predictions with error bounds. Additionally, pycse offers a caching mechanism for expensive scientific computations, ensuring repeated tasks are performed efficiently. The combination of these capabilities makes pycse an invaluable tool for researchers, engineers, and data scientists who require accurate model fitting and statistical analysis without the hassle of low-level implementation details. Its ease of use and comprehensive functionality position it as a go-to solution for many scientific computing tasks that involve regression analysis and model evaluation.

FAQ

How do I perform linear regression with pycse?

You can use the `regress()` function to perform linear regression. It returns the fitted parameters, confidence intervals for the parameters, and standard errors. Example usage: `p, pint, se = pycse.regress(A, y)`.

Can I use pycse for nonlinear regression?

Yes, pycse supports nonlinear regression through the `nlinfit()` function. This function fits a model to data and returns parameter estimates along with their confidence intervals and standard errors.

Does pycse support polynomial fitting?

Yes, pycse offers a `polyfit()` function to perform polynomial fitting. It allows you to specify the degree of the polynomial and provides the fitted parameters, confidence intervals, and standard errors.

Is pycse compatible with scipy?

Yes, pycse builds on top of scipy and numpy. It provides convenient wrappers around existing scipy functions for tasks like regression and ODE solving, making those tasks easier and faster.

What are the limitations of pycse?

pycse may not be suitable if you need custom optimization methods beyond least squares or if the models you are working with are not supported by the library. Additionally, it may not be necessary if scipy's basic functionalities meet your needs.

All Files

4 files
test_pressure_scenario.md3.2 KB
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baseline_observations.md2.8 KB
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test_results.md3.0 KB
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SKILL.md7.9 KB
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Install pycse

Download and extract the skill files to your .claude/skills/ directory.

Quick Setup:

  1. Copy the skill folder to .claude/skills/
  2. Claude will automatically detect and use the skill

Repository

jkitchin/skillz