# Testing for bubbles in time series data using long historical series

> 2019 doctoral thesis by Yang Hu at University of Waikato

**Wikidata**: [Q112948854](https://www.wikidata.org/wiki/Q112948854)  
**Source**: https://4ort.xyz/entity/testing-for-bubbles-in-time-series-data-using-long-historical-series