vivo Internet Technology

Jan 13, 2021 · Big Data

Statistical Monitoring Using Normal Distribution and Boxplot: Theory, Implementation, and API Design

The article explains the origin of the normal distribution, the central limit theorem, and how boxplots identify anomalies, then describes a Java‑based API that partitions data into five median‑centered levels using same‑period and year‑over‑year ratios to automatically detect and classify abnormal trends in daily metrics.