Question 1

Comportex vs NuPIC: which should I use for HTM projects?

Accepted Answer

Comportex is a Clojure library focused on flexibility and control for experimentation, ideal if you prefer functional programming and hands-on simulation. NuPIC is a more mature Python framework with automated features, better for production if you need out-of-the-box predictions and a larger ecosystem.

Question 2

How to encode time-series data for use with Comportex in Clojure?

Accepted Answer

Use the encoder implementations in the 'encoders' namespace, such as 'unique-encoder', and refer to the demos and parameter descriptions in the params file. You'll need to define sensors manually, as shown in the minimum viable snippet, which requires understanding HTM encoding principles.

Question 3

Is Comportex suitable for building real-time anomaly detection systems?

Accepted Answer

Not directly; while it implements HTM for anomaly detection, you must build the scoring logic yourself using outputs like active cells. Its unstable status and manual setup make it better for research or prototyping rather than real-time production systems.

Question 4

What are the main parameters to tune in Comportex HTM layers?

Accepted Answer

Parameters are detailed in 'org.nfrac.comportex.layer.params', covering aspects like column counts and connectivity. However, documentation is sparse, so experimentation with demos and the REPL is recommended to understand their impact on sequence learning.

Question 5

Can I integrate Comportex with other machine learning libraries in Clojure?

Accepted Answer

Yes, but with effort; as a library, it outputs raw data like active cells, which you can process with other tools. However, there are no pre-built integrations, so you'll need to handle data conversion and pipeline setup manually.

Question 6

How does the Javascript API in Comportex work for web apps?

Accepted Answer

It provides a minimal API compiled from ClojureScript using Leiningen, as shown in the demo. It's limited and primarily for basic browser-based simulations, not full-featured web applications, and requires Clojure tooling knowledge.

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