--- title: "Limin Ma (@liminma) | Hashnode" description: "Limin Ma (@liminma) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@liminma" --- @liminma # Limin Ma @liminma · Toronto, Canada · Joined October 2026 ### [From confidence to action](https://liminma.hashnode.dev/from-confidence-to-action?utm_source=hashnode&utm_medium=feed) Thresholds searched on labelled answers: when an LLM-backed app should act, ask or hand over 14 min read · [liminma.hashnode.dev](https://liminma.hashnode.dev/from-confidence-to-action?utm_source=hashnode&utm_medium=feed) [2d ago](https://hashnode.com/posts/from-confidence-to-action/6af5029e26bd49e68a6bf0d3) ### [Does confidence separate right from wrong?](https://liminma.hashnode.dev/accuracy-coverage-and-auroc?utm_source=hashnode&utm_medium=feed) Accuracy-coverage curves and AUROC on an LLM's typed decisions 14 min read · [liminma.hashnode.dev](https://liminma.hashnode.dev/accuracy-coverage-and-auroc?utm_source=hashnode&utm_medium=feed) [5d ago](https://hashnode.com/posts/accuracy-coverage-and-auroc/6af0d79ec288f795881e736b) ### [When one knob isn't enough: isotonic regression](https://liminma.hashnode.dev/isotonic-regression?utm_source=hashnode&utm_medium=feed) Fitting a flexible calibration curve to an LLM's confidence and counting the cost 13 min read · [liminma.hashnode.dev](https://liminma.hashnode.dev/isotonic-regression?utm_source=hashnode&utm_medium=feed) [Nov 5](https://hashnode.com/posts/isotonic-regression/6aebc8d7fb0e10e99728d111) ### [Fixing the confidence: temperature scaling](https://liminma.hashnode.dev/temperature-scaling?utm_source=hashnode&utm_medium=feed) Fitting one number per step on 770 labelled answers to make an LLM's confidence more honest 12 min read · [liminma.hashnode.dev](https://liminma.hashnode.dev/temperature-scaling?utm_source=hashnode&utm_medium=feed) [6](https://hashnode.com/posts/temperature-scaling/6ae38ef0c710023229d1348c) [Oct 29](https://hashnode.com/posts/temperature-scaling/6ae38ef0c710023229d1348c) ### [Is the confidence honest?](https://liminma.hashnode.dev/is-the-confidence-honest?utm_source=hashnode&utm_medium=feed) Building reliability diagrams and computing ECE from scratch to check an LLM's confidence 10 min read · [liminma.hashnode.dev](https://liminma.hashnode.dev/is-the-confidence-honest?utm_source=hashnode&utm_medium=feed) [Oct 24](https://hashnode.com/posts/is-the-confidence-honest/6add18e57629ae58ded12048)