A2Benchmark: Yahoo Webscope S5 – A2 Benchmark (Synthetic)

In harbinger: A Unified Time Series Event Detection Framework

Yahoo Webscope S5 – A2 Benchmark (Synthetic)

Description

Part of the Yahoo Webscope S5 dataset. A2 contains synthetic time series with labeled anomalies designed to stress-test algorithms. Labels available: Yes.

Usage

data(A2Benchmark)

Format

A list of time series.

Details

This package ships a mini version of the dataset. Use loadfulldata() to download and load the full dataset from the URL stored in attr(url).

Source

\Sexpr[results=rd]{tools:::Rd_expr_doi("10.1371/journal.pone.0262463")}

References

Yoshihara K, Takahashi K (2022) A simple method for unsupervised anomaly detection: An application to Web time series data. PLoS ONE 17(1).

Chandola, V., Banerjee, A., & Kumar, V. (2009). Anomaly detection: A survey. ACM Computing Surveys, 41(3), 1–58.

Examples

data(A2Benchmark)
s <- A2Benchmark[[1]]
summary(s$value)

harbinger documentation built on Feb. 11, 2026, 9:06 a.m.