Copulas

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Thanks the Copulas. I want to know whether the Archimedean Copulas (Bivariate) is debuging, and it's plan. Thank you for your hard work！

hongchanghu

Frank copula partial_derivative incorrectly documented

2

### Environment Details Please indicate the following details about the environment in which you found the bug: * Copulas version: 0.8.0 * Python version: 3.8.5 * Operating System: Ubuntu 18.04.6...

rodrigoaragaosantos

### Problem Description - We currently use `isort`, `flake8`, and `pydocstyle` for managing out python linting and code formatting. - However, many libraries have switched to using `ruff`. It is...

amontanez24

### Environment Details Please indicate the following details about the environment in which you found the bug: * Copulas version: 0.9.2.dev1 * Python version: 3.11 * Operating System: Mac ###...

lajohn4747

### Problem Description Copulas might be time dependent in some time series. It is better to support dynamic copulas.

jacktang

### Problem Description Python 3.12 was released on Oct 2, 2023. ### Expected behavior In order to upgrade the Copulas, we'll need to ensure that our external dependencies are compatible...

npatki

VineCopula is not working NonImplementedError for pdf and cdf

1

### Environment Details * Copulas version: 3.10.4 * Python version: 1.4.2 * Operating System: Linux ### Error Description Trying to fit a vine copula to a pandas dataframe with 3...

grechasneak

Wish there will be Students t Multivariate classes

1

This copula pack is great. I work in financial risk management and mainly focus on the tail of distributions, but multivariate normal copula cannot capture the fat tail characteristics of...

piper0124

Using any univariate distribution from scipy

1

### Problem Description The [copulas univariate package](https://sdv.dev/Copulas/api/copulas.univariate.html) contains 8 different distribution types to choose from. However, the underlying data science library [scipy](https://docs.scipy.org/doc/scipy/reference/stats.html) contains a larger variety of univariate distributions. Is...

npatki

Bivariate copulas don't scale automatically data for fit

3

### Environment Details Copulas was installed through mamba in a dedicated environnment, with the conda-forge channel * Copulas version:0.7.0 * Python version:3.7.12 * Operating System:Windows 10 ### Error Description I'm...

marcperuz