- Google scholar has a full-text index of nearly all research papers. You can use it to get counts for arbitrary phrases. I've been using this to measure popularity of things in science. For example, here's the popularity of Greek letters used in equations 1/3Sep 14, 2025 16:52
- Here's one measuring the frequency of sample sizes. Like how often people use 8 samples vs 12 samples for reporting research results. N=2 is apparently the most popular 2/3
- You can also look at it over time. Here's relatively popularity of different animal models in research over time. Anyway, found this to be interesting. More details about it here: diffuse.one/p/d2-003 3/3
