For example, let’s say you were presented with the data regarding climate change. A scientist beautifully explains the data taken over decades of study but using a spreadsheet or a written report. That can make people aware of such phenomena. But if the same data was presented with a picture of the Earth and the rising temperature over the time represented with increasing intensity of the color red, that creates the feeling of the rising temperature in people’s minds, a much more serious effect.
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In other cases, where you have all the data in numbers regarding the trends that affect your business. If that data is visualized using the proper data visualization techniques, you will find the existing trends in your business, you can analyze new trends, make better decisions like allocating resources in the right place at the right time, which would have been difficult or even impossible otherwise.
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Chart.js offers 8 different chart types for data visualization with out of the box animations. Chart.js offers charts that are highly customizable. You can view the demo of the different types of charts and experiment with them by adding or removing data or data-sets.
Chart.js is compatible with all the modern browsers and responsive behavior of the charts can be enabled by some configuration in the charts.
Chart.js provides really good and comprehensive documentation to get started with.
Morris Charts has “good looking charts shouldn’t be difficult” as their motto. This charting library is also a popular charting library and is used in many admin templates – free and premium alike. The charts used in Morris charts focus on simplicity and effectiveness.
There are 4 types of charts in the library – line, area, bar, and donut charts.
Morris charts provide a free license. The license details are provided in the website. There is also a detailed documentation for the charts.
Flot charts is another one of the charting libraries frequently seen in admin templates and other web applications. This charting library has many different charts to help visualize data with simplicity and attractive features in your web application. These include stacked charts, thresholding the data, tracking curves with a crosshair to name a few.
Flot charts are compatible with the following browsers.
- Internet Explorer 6+,
- Firefox 2+,
- Safari 3+
- and Opera 9.5+
Flot charts have good documentation to get started with and is free to download.
Echarts is a free charting library that provides 18 different types of charts. These charts are simple yet colorful and interactive. These include funnel charts, heat maps, candlestick, scatter plot, pictorial bars etc.
The documentation is very extensive and comprehensive and is really helpful in getting started with the charts.
As mentioned jQuery Sparklines are small inline charts. They do not display axis labels. It is primarily intended to show trends or patterns and small enough so that they can be used inline along with texts.
The data in the graph is not displayed in the axis labels, but hovering the mouse upon the chart gives the data that it is currently displaying.
The plugin is compatible with iOS and Android operating systems and most modern web browsers. The following are the browsers compatible with jQuery Sparklines.
- Firefox 2+
- Safari 3+
- Opera 9
- Google Chrome
- Internet Explorer 6, 7, 8, 9 and 10
jQuery sparkline is an open source plugin and is free to download. The website provides a good documentation for the plugin.
The website provides comprehensive documentation and examples to help getting started and reduce the time to get familiar with the charting library and how to use it.
D3 support all the modern browsers. D3 charting library has been tested on the browsers including Firefox, Google Chrome, Safari, Opera, IE9+, Android, and iOS.
PlusCharts is a free charting library that can be downloaded and added to your website for the visual representation of data. The library supports all the most popular charts including line chart, pie chart, bar chart, donut charts, column charts etc. The big collection of charts include graphs that are simple and lightweight. Also, the charts are completely responsive and very customizable.
PlusCharts provides good documentation and is compatible with all the modern browsers. They provide great support also, however they do not provide free support.
C3.js is a charting library based on D3. It consists of a huge collection of charts including stacked bar chart, scatter plot, combination chart, multiple XY line chart and much more that you can integrate into to your web applications.
C3.js is a free charting library and provide examples of the charts and graphs that it supports. The library has a good documentation. In the case of any issue or bugs, you can report them in their GitHub issues page.
xCharts is open source and you can use the dynamic, fluid and highly customizable charts and graphs on your website for data visualization for free.
The charts in Chartist.js are responsive and can provide creative animations to make the data interactive. Chartist.js is supported in all the modern browsers.
There are proper documentation and illustration of the charts and graphs on the website and proper guide as to how to use and implement many of its functionalities.
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