ChistaDATA
Vector Database Indexing: HNSW, IVF, PQ, OPQ, and ScaNN Explained
A practitioner’s guide to vector database indexing — HNSW, IVF, PQ, OPQ, and ScaNN. Tuning, trade-offs, and architecture patterns from MinervaDB engineers.
Data Science
Analytics
Real-Time Analytics Architecture with ClickHouse
Real-Time Analytics Architecture with ClickHouse: A Production Blueprint Real-time analytics is no longer an exotic requirement — it is the baseline expectation for product analytics, observability, fraud detection, and operational intelligence. In this guide, ChistaDATA […]
ChistaDATA
ClickHouse Logistic Regression: Machine Learning in SQL
Introduction : ClickHouse: Logistic Regression In the earlier blog article, we have seen the basics of Linear Regression and how to perform linear regression on data present in ClickHouse. In this article, let us look […]
ChistaDATA
Machine Learning with ClickHouse: Linear Regression
Introduction ClickHouse is quite a popular and capable columnar data store for real-time analytics on petabytes of data. While the ClickHouse database is frequently used to run analytical queries, it is still possible to perform […]
Data Science
Data Science in ClickHouse: Normal Distributions and t Distributions
Introduction The normal distribution and t-distribution are two of the most commonly used probability distributions in statistics. They are used to model the distribution of continuous variables, such as heights, weights, and test scores, and […]
Data Science
How do Data Scientists use Black-Scholes model on ClickHouse?
Introduction The Black-Scholes model is a mathematical formula used to estimate the price of European-style options, which are financial contracts that give the holder the right, but not the obligation, to buy or sell an […]
Data Science
Data Science in ClickHouse: How to implement Chebyshev’s Inequality?
Introduction Chebyshev’s inequality is a statistical theorem that provides a bound on the probability that a random variable deviates from its mean by more than a certain number of standard deviations. Specifically, it states that […]