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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

Accessing and preparing data within KNIME

The stock prediction application consists of three parts: data access, model training, and deployment. The deployment workflow orchestrates the data access and model training steps by calling them from separate workflows. Thus, the same data preparation and model training steps could also be called from other deployment workflows. Figure 14.4 shows the part of the deployment workflow that calls the remote workflows (available on KNIME Hub at https://kni.me/w/4JrfiNV6NrqE7VKo). Further details of the deployment workflow will be introduced in the Consuming the H2O model in the deployment application section:

Figure 14.4 – Calling data preprocessing and forecasting steps from the deployment workflow

The deployment workflow generates the forecasts as follows:

  1. The workflow loops over one stock symbol at a time with the Table Row To Variable Loop Start node.
  2. Next, it calls the data access and preprocessing...
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