2026 Int'l Conference on Big Data & Econometrics (BDE 2026) will be held during April 17-19, 2026 in Xi'an, China. This Conference will cover issues on Causal Inference Techniques, Machine Learning in Econometrics, Real-Time Data Analysis, Text and Sentiment Analysis and other related fields. The conference is designed to serve as a platform for experts and scholars to share the latest research findings, discuss innovative approaches, and exchange advanced research methodologies in related fields.