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You're reading from  Building IoT Visualizations using Grafana

Product typeBook
Published inJul 2022
PublisherPackt
ISBN-139781803236124
Edition1st Edition
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Author (1)
Rodrigo Juan Hernández
Rodrigo Juan Hernández
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Rodrigo Juan Hernández

Rodrigo Juan Hernández is an electronic engineer passionate about IoT even before it existed. He has been working on tech for more than 18 years until now. For several years he has been focusing on the IoT ecosystem. He is currently giving consultation about IoT systems to clients around the world. He also produces content online about IoT and related subjects and the content is available on his blog, Youtube channel, and social networks - mainly LinkedIn. He also writes for companies that need good quality content about their products and services. His main objective nowadays is helping others to understand and implement IoT solutions.
Read more about Rodrigo Juan Hernández

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Histograms and heatmaps

In this section, we will explore two visualization panels – Histograms and Heatmaps. Let’s start with histograms.

The Histogram panel

You can use histograms to represent the distribution of numerical data. In a histogram, the data points are grouped into buckets (like discretized intervals) and then counted.

So, for each X-axis bucket, the count of data points is displayed on the Y axis. You can use time series or table data with numerical fields.

Display options

Let´s see the options of the Histogram panel. They allow us to set how we group, calculate, and show the data.

  • Bucket size

This option lets you specify the size of the bucket. If you leave it empty, the bucket size will be approximately 10 percent of the full range of the data.

  • Bucket offset

You can set a value here between 0 and the bucket size for shifting the aggregation window. In general, you will use this option when you specify the...

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Building IoT Visualizations using Grafana
Published in: Jul 2022Publisher: PacktISBN-13: 9781803236124

Author (1)

author image
Rodrigo Juan Hernández

Rodrigo Juan Hernández is an electronic engineer passionate about IoT even before it existed. He has been working on tech for more than 18 years until now. For several years he has been focusing on the IoT ecosystem. He is currently giving consultation about IoT systems to clients around the world. He also produces content online about IoT and related subjects and the content is available on his blog, Youtube channel, and social networks - mainly LinkedIn. He also writes for companies that need good quality content about their products and services. His main objective nowadays is helping others to understand and implement IoT solutions.
Read more about Rodrigo Juan Hernández