<h1 id="courses-py_packages-polars"><a aria-hidden="true" class="anchor-heading icon-link" href="#courses-py_packages-polars"></a>courses-py_packages-polars</h1>
<h1 id="packages--polars"><a aria-hidden="true" class="anchor-heading icon-link" href="#packages--polars"></a>Packages : Polars</h1>
<p>Polars is a fast and efficient data manipulation library for Python. It provides a DataFrame-like interface similar to Pandas, but with a focus on performance and memory efficiency.  </p>
<p><a href="https://docs.pola.rs/">https://docs.pola.rs/</a></p>
<h2 id="useful-functions"><a aria-hidden="true" class="anchor-heading icon-link" href="#useful-functions"></a>useful functions</h2>
<p><em>df</em>.shape - <a href="https://docs.pola.rs/py-polars/html/reference/dataframe/api/polars.DataFrame.shape.html">https://docs.pola.rs/py-polars/html/reference/dataframe/api/polars.DataFrame.shape.html</a></p>
<h2 id="keywords"><a aria-hidden="true" class="anchor-heading icon-link" href="#keywords"></a>Keywords</h2>

courses-py_packages-polars

Concrete steps to access and contribute to the DBGI Dendron


![](/assets/images/allard-lab.jpg)

Welcome the the COMMONS Lab Open Dendron !

In the [COMMONS Lab](https://www.unifr.ch/bio/en/groups/allard/) we intent to follow the [Open Notebook Science](https://en.wikipedia.org/wiki/Open-notebook_science) approach to document our research.

For this we use the [Dendron](https://www.dendron.so/) system as a mean to efficiently capture notes and publish them.

## What is this note

This note is a succinct tutorial note aiming to get you started in the use of the COMMONS Lab Dendron.

## Tutorial

### Dendron. 

#### What is Dendron ?

> Dendron is an open-source, local-first, markdown-based, note-taking tool. Think of it as a cache for everything that you care about - if you've spent more then five minutes solving a problem, you should never spent any more time solving the same exact problem.
> 
> Dendron is a knowledge base built by and for developers and integrates natively with IDEs like VS Code and VSCodium.

#### Where to get more info on Dendron ?

- You can get more information in the Dendron system at the official website www.dendron.so
- All the Dendron documentation is hosted here https://wiki.dendron.so/. It is, obviously, a Dendron itself.

#### Concrete steps to access and contribute to the DBGI Dendron

1. Install [VSCode](https://code.visualstudio.com/download)
2. Install [Dendron](https://marketplace.visualstudio.com/items?itemName=dendron.dendron) from the VSCode marketplace 
3. Clone the COMMONS Dendron repo

    In your terminal
    ```
    git clone https://github.com/commons-research/commons-dws-public.git
    ```
4. In VSCode open (File/Open) the cloned repository.
5. Voila ! You should now be in the COMMONS Lab Open Dendron.

Feel free to explore and contribute.
A first, important step could be to configure VSCode so that you can easily add a daily note. See steps described at [[open-notebook.commons.setup]]


## Questions, comments, suggestions ?

Feel free to contribute here https://github.com/orgs/commons-research/discussions

