Show HN: Yet Another Confidence Calculator
A developer introduces a new confidence calculator for A/B testing, emphasizing shareability, clear charts, customizable settings, and simple explanations as its main features.
Background
- This is a personal project posted on "Show HN" (Hacker News), the Y Combinator community where makers share side projects. The author built his own "confidence calculator" — a tool that uses statistics to determine how confident you can be that one version (e.g., a website design) actually performs better than another in an A/B test.<br><br>- A/B testing compares two variants (A and B) of a webpage, ad, or product feature to see which gets better results (clicks, sign-ups, sales). A confidence calculator tells you whether the difference you observed is "statistically significant" — i.e., likely real and not just random luck.<br><br>- The problem the author addresses: existing online calculators often don't let you easily share results with clients (as a link or embeddable chart). His version focuses on shareability, clean visuals, and adjustable settings for statisticians who want fine control.<br><br>- This fills a niche for product managers, marketers, and UX researchers who run experiments and need to present findings to non-technical stakeholders without exporting spreadsheets or screenshots.