Month: March 2025

What If There Was a Right Way to Argue Online?

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What do you need when arguing online? Logic? Reason? A rock-solid grasp of the facts? Yeah, no. See, I used to think that if you came armed with airtight arguments and a well-researched arsenal of evidence, you’d automatically win. That people would read your points, have a little moment of self-reflection, and say, “Duy, I … Read more

DeFi protocol SIR.trading loses entire $355K TVL in ‘worst news’ possible

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Ethereum-based DeFi protocol SIR.trading, also known as Synthetics Implemented Right, has been hacked, resulting in the loss of its entire total value locked (TVL) — $355,000 at the time of the attack.  The March 30 hack was initially detected by blockchain security firms TenArmorAlert and Decurity, both of which posted warnings on X to alert … Read more

Bitcoin falls to $81.5K as US stock futures sell-off in advance of Trump’s ‘Liberation Day’ tariffs

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Bitcoin looks set for a bearish open to mark the last trading day of March and possibly the weakest Q1 performance since 2018.  Crypto and stock traders’ anxiety over US President Donald Trump’s fresh wave of 25% tariffs on cars imported to the US, the threat of tariffs on the pharmaceutical industry is clearly reflected … Read more

How Companies Decide Which Product Changes to Keep or Scrap

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Table of Links Abstract and 1 Introduction 1.1 Related literature Types of Metrics and Their Hypothesis and 2.1 Types of metrics 2.2 Hypotheses for different types of metrics Type I and Type II Error Rates for Decision Rules including Superiority and Non-Inferiority Tests 3.1 The composite hypotheses of superiority and non-inferiority tests 3.2 Bounding the … Read more

Ensuring Reliable A/B Test Decisions with Guardrail Metrics

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Table of Links Abstract and 1 Introduction 1.1 Related literature Types of Metrics and Their Hypothesis and 2.1 Types of metrics 2.2 Hypotheses for different types of metrics Type I and Type II Error Rates for Decision Rules including Superiority and Non-Inferiority Tests 3.1 The composite hypotheses of superiority and non-inferiority tests 3.2 Bounding the … Read more

The Four Key Metrics in A/B Testing

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Table of Links Abstract and 1 Introduction 1.1 Related literature Types of Metrics and Their Hypothesis and 2.1 Types of metrics 2.2 Hypotheses for different types of metrics Type I and Type II Error Rates for Decision Rules including Superiority and Non-Inferiority Tests 3.1 The composite hypotheses of superiority and non-inferiority tests 3.2 Bounding the … Read more

How Spotify Standardizes Multi-Metric Experiment Analysis

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Table of Links Abstract and 1 Introduction 1.1 Related literature Types of Metrics and Their Hypothesis and 2.1 Types of metrics 2.2 Hypotheses for different types of metrics Type I and Type II Error Rates for Decision Rules including Superiority and Non-Inferiority Tests 3.1 The composite hypotheses of superiority and non-inferiority tests 3.2 Bounding the … Read more

Evaluating A/B Testing Decision Rules with Monte Carlo Simulations

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Table of Links Abstract and 1 Introduction 1.1 Related literature Types of Metrics and Their Hypothesis and 2.1 Types of metrics 2.2 Hypotheses for different types of metrics Type I and Type II Error Rates for Decision Rules including Superiority and Non-Inferiority Tests 3.1 The composite hypotheses of superiority and non-inferiority tests 3.2 Bounding the … Read more

Balancing Type I and Type II Errors in A/B Testing Decisions

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Table of Links Abstract and 1 Introduction 1.1 Related literature Types of Metrics and Their Hypothesis and 2.1 Types of metrics 2.2 Hypotheses for different types of metrics Type I and Type II Error Rates for Decision Rules including Superiority and Non-Inferiority Tests 3.1 The composite hypotheses of superiority and non-inferiority tests 3.2 Bounding the … Read more