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Feature Engineering for Time Series Data
March 29, 2022, 5:42 p.m. | Andrew Engel
Towards Data Science - Medium towardsdatascience.com
Time series aggregations on the modern data stack
Photo by Donald Wu on UnsplashIn many business data science problems, data with a time series character (e.g., transactions, sensor readings, etc.) must be aggregated to an individual (e.g., customer, piece of equipment, etc.) level. Doing this in a modern machine learning environment can lead to trouble as traditional train-test and cross-validation splits will fail. This is because randomly splitting observations between training and test sets will almost always split related …
data data preparation data science engineering feature engineering time time series time-series-analysis
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