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Xavier Fok

Digital marketer and data analyst with 15+ years in advertising, content, and growth. Founder of DataResearchTools, based in Singapore. I write about AI tools, automation, and productivity for solopreneurs building real businesses without a team.

What is customer lifetime value (CLV) and how to calculate it

May 16, 2026 by Xavier Fok

What is customer lifetime value (CLV) and how to calculate it. A plain-English explainer with examples, misconceptions, and when this concept actually matters

Categories Data Analysis

What is RFM analysis?

May 16, 2026 by Xavier Fok

What is RFM analysis?. A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Data Analysis

What is attribution modeling?

May 16, 2026 by Xavier Fok

What is attribution modeling?. A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Growth

What is funnel analysis?

May 16, 2026 by Xavier Fok

What is funnel analysis?. A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Data Analysis

What is cohort analysis in 2026?

May 16, 2026 by Xavier Fok

What is cohort analysis in 2026? A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Data Analysis

What is causal inference in business?

May 16, 2026 by Xavier Fok

What is causal inference in business?. A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Research Methodology

What is multivariate testing?

May 16, 2026 by Xavier Fok

What is multivariate testing?. A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Growth

What is A/B testing? A plain-English primer

May 16, 2026 by Xavier Fok

What is A/B testing? A plain-English primer. A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Growth

What is feature engineering?

May 16, 2026 by Xavier Fok

What is feature engineering? A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Data Skills

What is data wrangling?

May 16, 2026 by Xavier Fok

What is data wrangling?. A plain-English explainer with examples, misconceptions, and when this concept actually matters.

Categories Data Skills
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Recent Posts

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