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Advanced SQL Data Science Time Series

Advanced SQL Data Science Time Series
English | Size: 176.83 MB
Category: CBTs
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.

"Advanced SQL Data Science Time Series"

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Topics include:

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
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Tags: Advanced, Data, Science, Time, Series

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