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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

Introducing nodes and workflows

In this section, we go through the different parts of a node, explain operations on nodes, and show how to connect nodes to workflows. We also introduce metanodes and components. Finally, we will see how to find and share these resources on the KNIME Hub.

Introducing nodes

A node is responsible for one task and it is the smallest processing unit in KNIME: the Row Filter node, which filters rows, the CSV Reader node, which reads a comma-separated values (CSV) file, and the Bar Chart node, which builds a bar chart are a few examples. Although nodes can perform very different tasks, they all look similar and have similar operations.

Different parts of a node

A node is a visual block with a name, I/O ports, annotation, and a traffic light. The following diagram shows these parts of a node for the CSV Reader node as an example:

Figure 2.4 – The different parts of a node

The node parts are explained in detail as...

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