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Codeless Time Series Analysis with KNIME

Codeless Time Series Analysis with KNIME

By : KNIME AG , Corey Weisinger, Maarit Widmann, Daniele Tonini
4.8 (10)
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Codeless Time Series Analysis with KNIME

Codeless Time Series Analysis with KNIME

4.8 (10)
By: KNIME AG , Corey Weisinger, Maarit Widmann, Daniele Tonini

Overview of this book

This book will take you on a practical journey, teaching you how to implement solutions for many use cases involving time series analysis techniques. This learning journey is organized in a crescendo of difficulty, starting from the easiest yet effective techniques applied to weather forecasting, then introducing ARIMA and its variations, moving on to machine learning for audio signal classification, training deep learning architectures to predict glucose levels and electrical energy demand, and ending with an approach to anomaly detection in IoT. There’s no time series analysis book without a solution for stock price predictions and you’ll find this use case at the end of the book, together with a few more demand prediction use cases that rely on the integration of KNIME Analytics Platform and other external tools. By the end of this time series book, you’ll have learned about popular time series analysis techniques and algorithms, KNIME Analytics Platform, its time series extension, and how to apply both to common use cases.
Table of Contents (20 chapters)
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1
Part 1: Time Series Basics and KNIME Analytics Platform
7
Part 2: Building and Deploying a Forecasting Model
14
Part 3: Forecasting on Mixed Platforms

From univariate to multivariate – extending the prediction problem

Let’s start by extending a univariate time series prediction problem to a multivariate time series prediction problem. To do that, we can go back to Chapter 4 , Time Series Visualization, where we discussed the visualization of the energy consumption time series dataset.

The raw energy consumption data originates from 6,000 households and businesses in Ireland, and it was collected by smart meters that recorded the energy consumption every half-hour in kilowatts (kW) between July 2009 and August 2010. The original data contains three columns: the timestamp, the ID of the smart meter, and the energy consumption. A few aggregated values have been calculated for every single ID to quantify the amount of energy used at different times of the day and week. Based on such aggregated values, the households have been clustered using a k-means algorithm, where k=30. Finally, the average time series for each...

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