2022-10-05 10:03 Status: # cross-correlation Used to track the similarities in movement of two factors over time. [^1] Also known as dot-product. >"- **[Cross-correlation](https://anomaly.io/understand-auto-cross-correlation-normalized-shift/index.html#cross_correlation)** is the comparison of two different time series to detect if there is a correlation between metrics with the same maximum and minimum values. For example: “Are two audio signals in phase?”" >[^2] --- # References [^1]: https://investopedia.com/terms/c/crosscorrelation.asp#:~:text=What%20Is%20Cross-Correlation%3F,point%20the%20best%20match%20occurs. [^2]: https://anomaly.io/understand-auto-cross-correlation-normalized-shift/index.html