It’s very easy to set any Conda installation to use conda-forge channels by default the website prominently displays the required commands. It’s pretty much always a good idea to use the conda-forge version of a package if it exists, unless the package documentation explicitly says otherwise (some may want you to use Pip - see below). As a community run channel, it has much more software, and often has the more cutting edge versions, than the default Anaconda channel. We need to break this into two parts: Conda-forge is an online repository (or “channel”, in conda parlance) of Python packages. Therefore, I tend to want to just install Conda, the package manager, with no pre-installed packages, by using Miniconda. This is great for beginners, but doesn’t give you as much control, and more importantly, given that we are trying to avoid package clashes, having pre-installed packages doesn’t help with that. It also comes with an IDE called Spyder, and Jupyter notebooks out of the box. These are the usual ones you’ll have heard of: numpy, matplotlib, scipy, etc. So what’s the difference between Anaconda and Conda?Īnaconda is an installation of Conda that comes pre-loaded with a bunch of packages geared towards scientific computing. I tend to lean towards Conda, partly because it’s a great solution for installing packages, and also deals with legacy Python 2 packages best. There are multiple different approaches, including the built-in venv, Conda and Anaconda, and others. for verifying results in a paper that you’ve published (and help confirm your groundbreaking result isn’t just down a bug from having the latest upgrades blocked by some old package that’s been lurking on your computer for 18 months.) Sounds good! How do I get virtual enviroments? Another use is having a bare-minimum environment that you can publish for others to reproduce, e.g. This is useful for many reasons: you may wish to avoid clashes between different versions of modules. Python environments allows you to have isolated, separate installation of Python and modules. This post mostly serves as an aide-mémoire, because I go through this install and set-up process often enough to remember it, but not often enough to precisely memorise every command. Tutorial: Setting up Python enviroments with Mambaforge
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