Closed yinglinglow closed 5 years ago
..
...
seasonal decomposition:
how to: http://www.fhi.sk/files/katedry/kove/predmety/Prognosticke_modely/Decomposition.pdf https://ncss-wpengine.netdna-ssl.com/wp-content/themes/ncss/pdf/Procedures/NCSS/Decomposition_Forecasting.pdf
STL (seasonal decomposition of time series by Loess) loess as a smoothing function: https://stats.stackexchange.com/questions/240272/practical-description-of-loess-and-smoothing-splines
example: https://medium.com/wwblog/anomaly-detection-using-stl-76099c9fd5a7
actual code of twitter: https://github.com/twitter/AnomalyDetection/blob/master/R/detect_anoms.R
https://medium.com/@rantav/large-scale-matrix-multiplication-with-pyspark-or-how-to-match-two-large-datasets-of-company-1be4b1b2871e https://bergvca.github.io/2017/10/14/super-fast-string-matching.html