Aravind Patel

Data Science

What is Bayesian A/B Testing and how does it compare to Frequentist hypothesis testing?

Bayesian A/B testing directly calculates the probability of one variant being better by updating beliefs with data, while Frequentist testing assesses data extremity under a null hypothesis to yield a p-value.

Digital Advertising

How to calculate Blended ROAS and MER (Marketing Efficiency Ratio) across omnichannel paid media budgets?

Blended ROAS measures total revenue against paid media spend, while MER measures total revenue against all marketing spend, providing holistic views of marketing efficiency.

Digital Marketing

How to build automated customer segmentation models using RFM (Recency, Frequency, Monetary) metrics?

Score customers on Recency, Frequency, Monetary, then bucket or cluster the scores into actionable segments for automated marketing.

Machine Learning

How does Transformer self-attention mechanism ($Q, K, V$) compute contextual token representations?

Self‑attention projects inputs to Q,K,V, computes scaled dot‑product attention, and aggregates values, optionally across multiple heads for richer context.

SEO & Search Marketing

How do you optimize web applications for Generative Engine Optimization (GEO) and AI Search Engines (Perplexity, SearchGPT)?

Align content, schema, and vector embeddings with AI retrieval while keeping core SEO signals to boost GEO and AI search performance.

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