Tags / Data Science

Data Science

Backtesting Random Trading Signals: From Chaos to Code

Aug 11, 2025

A backtest of random trading signals on NQ futures - from seed 42 experiments to massive 10,000-generator ensembles. Explore probability patterns, profit curves, and what happens when chaos meets code.

Latent Semantic Indexing - Part 2 - Indexing

Mar 23, 2008

This is a continuation in the series of LSI (Latent Semantic Indexing) implementation. In this post, we will walk through the implementation of creating an Index.

Latent Semantic Indexing - part 3 - Search

Mar 23, 2008

This is a continuation in the series of LSI (Latent Semantic Indexing) implementation. In this post, we will walk through the implementation of searching an index based on user's query.

Simple search query w.r.t. contents in the sample. Show the matching documents. Rank approximation: 35% of collection

Latent Semantic Indexing

Mar 23, 2008

Latent semantic indexing (LSI) provides the ability to correlate semantically related terms that could be latent in the set of documents. Latent semantic analysis allows us to see semantics in the set of documents and how we can extract meaning of the text in the documents.