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scicloj.github.io

Helping Clojure grow in new fields

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What is Scicloj?

Scicloj is a community project that helps Clojure grow into new fields, chiefly data science and scientific computing. It works on three fronts: building a data-science stack of tools and libraries for Clojure, running study groups and workshops with learning resources, and hosting open-source dev groups and mentoring for newcomers. Its audience is twofold: Clojurians who want to do data science, and data scientists curious about Clojure. See Scicloj for events and current activity.

A useful next step depends on which side you are on. If you already write Clojure and want to analyze data, start with the study-group and workshop materials rather than the library stack, since the learning resources are aimed at exactly that transition. If you come from Python or R and want to see how Clojure handles data work, the dev groups and mentoring path is the lower-commitment entry: you can join an existing open-source project and learn the ecosystem in context instead of evaluating libraries in isolation.

The trade-off is maturity and reach. A community-driven stack in a smaller ecosystem will have fewer ready-made libraries, fewer tutorials and a thinner hiring pool than the mainstream Python data-science world, so expect to read source and ask questions in group channels. In exchange, you get a platform where the people building the tools are the same people teaching them, which shortens the distance between learning and contributing. If you need a production-ready pipeline next month, that is a reason to be cautious; if you want to help shape tooling while learning, it is a reason to get involved early.

How can I get started learning data science with Clojure through Scicloj?

Start with Scicloj's learning resources and study groups, then join an open-source dev group once you can read and write basic Clojure data code. Scicloj describes itself as building a data-science and scientific-computing stack for Clojure, and it runs study groups and workshops for two overlapping audiences: Clojurians moving into data science, and data scientists moving into Clojure. That framing matters, because it tells you the entry point depends on which side you are starting from.

A practical first path

  1. Pick your starting side. If you already know Clojure, go straight to the data-science study materials and workshops. If you already know data science (pandas, R, notebooks), use the same resources but expect to spend extra time on Clojure basics and the REPL workflow first.
  2. Follow the events calendar. Scicloj points people to the Clojure Events Calendar feed for its sessions. Study groups and workshops are the lowest-friction way in, because you get a schedule and other learners rather than a pile of links.
  3. Work through learning resources alongside a small dataset. Choose one modest dataset you already understand and redo an analysis you have done before in another language. This isolates the new part — Clojure and its libraries — from the domain part.
  4. Join a dev group. Scicloj is explicitly a platform for open-source dev groups to meet, collaborate, and pool knowledge. Once you can follow code, this is where you learn how the stack is actually used.
  5. Take the open-source mentoring route. Scicloj says it encourages newcomers into open-source projects and supports them through the journey. That is the natural next step after a study group, and it converts learning into contributions.

Choosing between the two entry points

Your background Best first move Main trade-off
Comfortable with Clojure Data-science study group or workshop You may need to unlearn habits from notebook-centric tools
Comfortable with data science, new to Clojure Learning resources plus a workshop, with deliberate Clojure practice Slower start; library idioms and REPL-driven work take time
New to both Study group with a fixed weekly rhythm Highest effort; progress depends on consistent practice

A concrete example: if you have analysed CSV sales data in Python before, load the same file in Clojure, compute a few grouped summaries, and plot one chart. When that works, bring your questions to a study group session — specific problems get better help than "where do I start".

For background on the language itself, the official Clojure site covers installation and the REPL, and ClojureDocs is useful for looking up core functions as you read example code.

What tools and libraries does Scicloj provide for data science and scientific computing in Clojure?

Scicloj describes itself as building "a set of tools and libraries for data-science and scientific computing in Clojure," but its page does not name individual libraries or list their capabilities. What the page does describe is the surrounding structure: a data-science stack, study groups and workshops with learning resources, open-source dev groups, and mentoring for newcomers. So the honest answer is that Scicloj's offering is a stack plus a community and learning program, and the specific tool names need to be found in the project's own repositories and documentation rather than inferred from the introduction.

What the page supports

  • A data-science stack for Clojure, aimed at data science and scientific computing work.
  • Learning resources and study groups for two audiences: Clojurians moving into data science, and data scientists moving into Clojure.
  • Dev groups where open-source projects meet and collaborate.
  • Open-source mentoring for people joining projects.

How to use this as a reader

If you are a Clojure developer curious about data analysis, the study groups and workshops are the lower-risk entry point, since they pair resources with other learners. If you already work in Python or R and are evaluating Clojure, the relevant question is whether the stack covers your daily tasks—dataframes, plotting, numerical routines, notebooks—and that requires checking the actual library list, which this page does not provide. If you want to contribute rather than consume, the dev groups and mentoring track fit better than the learning resources.

A practical next step

Treat the page as a map of programs, not a catalogue. Start from Scicloj to find the current stack and event calendar, and compare against Clojure for the language fundamentals if you are new to the ecosystem. For the scientific-computing side, ClojureVerse is a reasonable place to see what practitioners actually discuss day to day. A useful decision criterion: choose Scicloj's learning track if you need guidance and peers, and go straight to the libraries if you only need to confirm feature coverage before committing.

How can I join a Scicloj study group or workshop?

Start with the Clojure Events Calendar feed linked from the Scicloj homepage: study groups and workshops are announced there, and that feed is the most direct route to a current session. Check it before committing to a learning plan, since a group only helps if a relevant session is running.

What to look for on the site

  • Events feed — the calendar linked from the homepage, where upcoming study groups and workshops appear.
  • Study groups and workshops — Scicloj describes these as its learning track, aimed both at Clojurians moving into data science and at data scientists moving into Clojure.
  • Dev groups — open-source groups that meet to collaborate; a good second step once you have attended a session or two.
  • Open-source mentoring — the route for newcomers who want to contribute to projects with guidance along the way.
  • Get involved — the homepage prompt that gathers these entry points.

A practical sequence

  1. Open the events feed and note any session matching your level.
  2. Attend one session before choosing a track; the split between "Clojurian learning data science" and "data scientist learning Clojure" matters more than it looks.
  3. After a session, ask in that group about the dev group or mentoring path closest to your interests.

If you are choosing between Scicloj and a general Clojure community, the distinction is focus: Scicloj is explicitly oriented toward data science and scientific computing rather than general language learning. For broader Clojure material, Clojure covers the language itself, and ClojureDocs is useful for looking up functions between sessions.

How does Scicloj support newcomers in contributing to open-source Clojure projects?

Scicloj supports newcomers through an open-source mentoring effort: it encourages people to join open-source projects and helps them along the way, rather than leaving them to find a first issue alone. The site also frames this as part of a broader platform where open-source dev groups meet and collaborate, so a newcomer can plug into an existing group instead of starting from scratch.

Concretely, that support shows up in several forms described on the page:

  • Open-source mentoring — guidance for newcomers joining projects and staying with them through the journey.
  • Dev groups — a place for open-source groups to meet and build shared knowledge, which gives newcomers a low-pressure entry point.
  • Study groups and workshops — learning resources aimed at Clojurians moving into data science and at data scientists moving into Clojure, which builds the skills needed to contribute.
  • A data science stack — tools and libraries newcomers can contribute to, giving the mentoring a concrete target.

A useful next step: if you are new to open source, pick one dev group working on a library in the Scicloj data-science stack, attend a session, and ask the maintainers which small task suits a first contribution. As a rule of thumb, choose a group whose meetings you can attend regularly — steady presence matters more than prior Clojure experience.

For complementary community channels, the Clojure community itself is active at Clojure and discussions often happen on ClojureVerse.

How can I find Scicloj events and dev group meetings?

Scicloj points people to its events through the Clojure Events Calendar feed, which is the place to check for upcoming sessions. For dev group meetings specifically, Scicloj describes itself as a platform where open-source dev groups meet and collaborate, so the events feed is the practical starting point for finding those gatherings.

A sensible next step

  1. Open Scicloj and follow the link to the Clojure Events Calendar feed.
  2. Scan for entries labelled as study groups, workshops or dev group sessions, since Scicloj runs all three.
  3. Pick one session that matches your level: study groups and workshops are aimed at Clojurians moving into data science and at data scientists moving into Clojure, while dev groups suit people who want to contribute to open-source work.

Choosing between the two

If you want to… Look for
Learn the data-science stack in Clojure Study groups and workshops
Collaborate on open-source code with others Dev group meetings
Get help starting in open source Open-source mentoring tied to a project group

If you are new to the ecosystem, a study group is usually the gentler entry; dev group meetings assume you want to write and discuss code with a project team. Either way, subscribe to the calendar feed rather than checking back manually, so you see schedule changes.

Related questions

More questions →
How to Learn Data Science with Clojure Through Scicloj

Scicloj is a community project that helps Clojure grow in new fields, and its learning path for data science is built around three things: study groups and workshops, learning resources, and a data science stack of tools and libraries. If you already know some Clojure and want to move into data science, or you come from data science and want to learn Clojure, Scicloj is the entry point to start from. The main practical step is to follow its events feed and join a study group or workshop, then use the learning resources and the tool stack to practice.

What Scicloj offers learners

Scicloj describes itself as building a set of tools and libraries for data science and scientific computing in Clojure, and as running study groups and workshops while creating learning resources. Its learning resources are explicitly aimed at two audiences:

  • Clojurians who are interested in data science
  • Data scientists who are interested in Clojure

That dual focus matters when you plan your learning. If you are strong in Clojure, you can lean on the data science material; if you are strong in data science, you can lean on the Clojure material. Scicloj also acts as a platform for open-source dev groups to meet and collaborate, and it encourages newcomers to join open-source projects with mentoring along the way.

Step-by-step: start learning through Scicloj

  1. Check the events calendar first. Scicloj points people to the Clojure Events Calendar feed for its events. Look there for upcoming study groups and workshops, since these are the scheduled, interactive part of the learning path.
  2. Pick the track that matches your background. If you are a Clojurian new to data science, start with the data science-oriented learning resources and study groups. If you are a data scientist new to Clojure, start with the Clojure-focused material and workshops.
  3. Join a study group or workshop. These are where the community learning happens; the events feed is how you find the next one.
  4. Explore the data science stack. Scicloj is building tools and libraries for data science and scientific computing in Clojure. Use them alongside the learning resources so you practice with the same stack the community is developing.
  5. Consider open-source mentoring. If you want to go beyond consuming material, Scicloj encourages newcomers to join open-source projects and helps them through the journey. This is a way to learn by contributing.

How to verify you are on track: you have found a current event through the Clojure Events Calendar feed, you have matched yourself to one of the two learner audiences, and you are working with both the learning resources and the tool stack rather than only reading about them.

Common sticking points

  • Looking for a fixed curriculum. Scicloj presents itself as study groups, workshops, learning resources, and a stack in progress, not as a single packaged course. Expect to assemble your path from events plus resources.
  • Skipping the events feed. The calendar feed is the stated place to follow Scicloj events. Without it, you may miss the study groups and workshops that make up the scheduled learning.
  • Trying to learn alone. Scicloj is explicitly a platform for groups to meet and collaborate, and it offers mentoring for newcomers to open source. The community side is part of the method, not an extra.

Where to go next

Start at the Scicloj site, follow the Clojure Events Calendar feed for upcoming study groups and workshops, and choose your entry point based on whether you are a Clojurian learning data science or a data scientist learning Clojure. From there, combine the learning resources with the data science stack, and use open-source mentoring when you are ready to contribute.

How to Get Involved with Scicloj

Scicloj is a community platform for building data-science and scientific-computing tools in Clojure, and it offers four concrete entry points: following its events, using its data-science stack, joining study groups and workshops, and getting open-source mentoring. The right starting point depends on whether you want to learn, build, or contribute — newcomers who want guidance should start with mentoring and study groups, while experienced Clojurians can plug into a dev group or the tooling work directly.

What Scicloj actually is

Scicloj describes itself as "helping Clojure grow in new fields." Its work falls into four areas:

  • A data science stack — tools and libraries for data-science and scientific computing in Clojure.
  • Learning resources — study groups, workshops, and materials aimed in both directions: Clojurians interested in data science, and data scientists interested in Clojure.
  • Dev groups — a platform for open-source dev groups to meet, collaborate, and create joint knowledge.
  • Open-source mentoring — encouraging newcomers to join open-source projects and supporting them along the way.

That structure matters for getting involved: each area has a different commitment level and a different audience.

Choose your entry point

Your situation Best starting point What you get
New to Clojure, know data science Learning resources and study groups Clojure fundamentals in a data context
Know Clojure, new to data science The data science stack plus study groups Libraries and worked examples
Want to contribute code Open-source mentoring, then a dev group Guidance into a project and a team to work with
Already maintain a project Dev groups A venue to meet, collaborate, and share knowledge
Just want to stay informed The Clojure Events Calendar feed Upcoming events without committing yet

Step by step: from observer to contributor

  1. Follow the events feed. Scicloj points people to its events through the Clojure Events Calendar feed. Subscribing is the lowest-effort step and tells you when study groups, workshops, or dev-group meetings are coming up.
  2. Pick a learning track based on your gap. If your gap is Clojure, join a study group aimed at data scientists; if your gap is data science, work through the stack with the learning resources. The site frames both audiences explicitly, so you don't have to guess which track fits.
  3. Try the stack on a small task. Take one concrete job — for example, loading a dataset and computing summary statistics — and see how far the Scicloj libraries take you. This gives you something specific to ask about in a group.
  4. Ask for mentoring before you ask for a task. The mentoring program exists precisely to help newcomers join open-source projects. Use it to get oriented in a codebase rather than to cold-ask for assignments.
  5. Join or form a dev group once you have context. Dev groups are where collaboration and shared knowledge happen; they work best after you understand the tools and have a project or topic in mind.

How to verify it's working: you should be able to name the next event on the calendar, the specific library or resource you're working through, and the person or group you've been in contact with. If any of those is missing after a few weeks, move to the next step — the mentoring route is designed for exactly that stuck point.

Common sticking points

  • Waiting to "be ready" before contacting mentoring. The program is described as helping newcomers throughout their journey, so early contact is the intended use, not a last resort.
  • Treating the stack as a finished product. Scicloj frames its tools as something it is building. Expect work in progress and treat gaps as contribution opportunities.
  • Skipping the events feed. Study groups and workshops are announced through events; without following them you'll miss the main low-friction way in.
  • Joining a dev group with no topic. These groups exist to collaborate and create joint knowledge, so arrive with a question, a project, or a dataset.

A realistic first month

Follow the events feed in week one. In week two, pick one learning resource matching your gap and complete a small data task with the stack. In week three, reach out through open-source mentoring with a specific question about a project. By week four, attend an event or dev-group meeting and decide whether to keep learning, start contributing, or both. That sequence uses every entry point Scicloj advertises, in increasing order of commitment.

What Data Science Tools and Libraries Is Scicloj Building for Clojure?

Scicloj is building a data science stack — a set of tools and libraries for data science and scientific computing in Clojure. The project describes itself as "helping Clojure grow in new fields," and the stack is the core of that effort. If you want to use Clojure for data work, or you're a data scientist curious about Clojure, Scicloj is the entry point to look at first.

What the stack covers

Scicloj frames its work in three connected parts:

  • A data science stack — tools and libraries for data science and scientific computing in Clojure.
  • Learning resources — study groups, workshops, and written materials aimed in both directions: Clojurians interested in data science, and data scientists interested in Clojure.
  • Dev groups and mentoring — a platform for open-source dev groups to meet, collaborate, and build shared knowledge, plus mentoring that helps newcomers join open-source projects and stay with them.

The site does not publish a component-by-component list of libraries on the page described here. To see what the stack currently includes, go to the site itself and follow the stack and dev-group links rather than relying on a secondhand summary.

Who it's for

If you are… What Scicloj offers
A Clojure developer moving into data science A stack to build on, plus study groups and workshops to learn the domain
A data scientist new to Clojure Learning resources that assume data-science background rather than Clojure fluency
Looking for open-source work Dev groups to collaborate in and mentoring for newcomers
Organizing a project or group A platform for dev groups to meet and pool knowledge

How to get involved

  1. Follow events. Scicloj points people to the Clojure Events Calendar feed for its events — that's the stated channel for keeping up with talks, workshops, and group meetings.
  2. Join a study group or workshop. These are the structured way in, whether your gap is data science or Clojure.
  3. Find a dev group. If you already have a project idea, the dev groups are where open-source collaboration happens.
  4. Ask for mentoring. Newcomers are explicitly invited to join open-source projects with help along the way.

The site's own call to action is simply "Get involved," so expect to explore from the homepage rather than follow a single sign-up path.

What to check before committing

  • Scope of the stack. Confirm which libraries are mature enough for your use case; the project describes the stack as being built, which implies varying levels of readiness across components.
  • Time commitment. Study groups and dev groups run on a schedule — check the events calendar before planning around them.
  • Your starting point. The learning resources are split by audience, so pick the track that matches your background instead of starting from the general material.

For anything beyond this overview — specific libraries, meeting times, or how to propose a project — the Scicloj site is the authoritative source.

What Is Scicloj?

Scicloj is a community initiative that helps Clojure grow in new fields, with a focus on data science and scientific computing. It is relevant if you are a Clojurian curious about data science, a data scientist exploring Clojure, or a developer looking for open-source collaboration and mentoring. Its work spans four areas: a data-science stack of tools and libraries, learning resources, dev groups, and open-source mentoring.

What Scicloj actually does

The site describes four connected activities:

  • A data science stack — Scicloj is building a set of tools and libraries for data science and scientific computing in Clojure.
  • Learning resources — it runs study groups and workshops and creates learning materials, aimed both at Clojurians interested in data science and at data scientists interested in Clojure.
  • Dev groups — it acts as a platform for open-source dev groups to meet, collaborate, and build shared knowledge.
  • Open-source mentoring — it encourages newcomers to join open-source projects and supports them along the way.

How to tell whether it fits your goal

Your goal Where Scicloj fits
Learn data science with Clojure Study groups, workshops, and learning resources
Find libraries for scientific computing The data-science stack being built
Collaborate on open-source work Dev groups
Make your first open-source contribution Open-source mentoring

If you only need a general-purpose Clojure tutorial, Scicloj is not the primary fit; its material is oriented toward data science and scientific computing.

How to get involved

The site's main call to action is Get involved, and it points to its events through the Clojure Events Calendar feed. A practical path:

  1. Open the Scicloj site and follow the "Get involved" link.
  2. Check the Clojure Events Calendar feed for upcoming study groups, workshops, or dev group meetings.
  3. Pick the entry point that matches your level — learning resources if you are new to the topic, dev groups or mentoring if you want to contribute code.

The expected result is finding a specific session or group to join rather than browsing a static page. The site does not publish a schedule directly, so the events calendar is the place to confirm what is happening and when.

Common sticking points

  • Expecting a single product. Scicloj is a community effort with several strands; there is no one download that covers everything.
  • Assuming a fixed curriculum. Study groups and workshops are run as activities, so check the events feed for what is currently scheduled instead of looking for a permanent course list.
  • Skipping the audience split. Resources are made for two audiences — Clojurians new to data science and data scientists new to Clojure. Choosing the wrong track can make the material feel either too basic or too Clojure-specific.

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