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  3. Advanced SQL for Data Science: Time Series [Updated: 3/7/2024]

Advanced SQL for Data Science: Time Series [Updated: 3/7/2024]

Posted By: IrGens
Date: 7 Mar 2024 17:40:08
Advanced SQL for Data Science: Time Series [Updated: 3/7/2024]

Advanced SQL for Data Science: Time Series [Updated: 3/7/2024]
.MP4, AVC, 1280x720, 30 fps | English, AAC, 2 Ch | 1h 20m | 176 MB
Instructor: Dan Sullivan

Time series data is data gathered over time: performance metrics, user interactions, and information collected by sensors. Since different time series data have different measures and different intervals, these data present a unique challenge for data scientists. However, SQL has some features designed to help. This course teaches you how to standardize and model time series data with them.

Instructor Dan Sullivan discusses windowing and the difference between sliding and tumbling window calculations. Then learn how SQL constructs such as OVER and PARTITION BY help to simplify analysis, and how denormalization can be used to augment data while avoiding joins. Plus, discover optimization techniques such as indexing. Dan also introduces time series analysis techniques such as previous time period comparisons, moving averages, exponential smoothing, and linear regression.

Learning objectives

  • Basics of time series data
  • Writing time series data
  • Querying time series data
  • Installing PostgreSQL
  • Evaluating query performance
  • Joining time series
  • Denormalizing time series
  • Indexing data
  • Querying a partitioned table
  • Functions for time series
  • Calculating aggregates over windows
  • Calculating moving averages
  • Forecasting with linear regression

More Info

Advanced SQL for Data Science: Time Series [Updated: 3/7/2024]
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