tutorial This tutorial will explain how you can use Regression plugin (available since version 4.2.2) to display automatically-calculated regression trend lines. NOTE Regression is a plugin. For information about using plugins, refer to this article. Purpose Trend lines, as their name suggests, help identify generic trends among seemingly randomly dispersed values. Take this chart for example: […]
tutorial This tutorial will show how you can leverage a number of settings on Series and Axes to create offset/overlaid columns effect. The task In the course of this tutorial we’re going to turn this: Into this: Here’s a live version of the source chart: Patient’s ready. Let’s get started. Un-clustering columns By default, all Column […]
tutorial Need to toggle series on and off via code? This short tutorial will show how. Hiding or showing Series in amCharts is a Sprite object. And just like any Sprite object, it can be toggled off by calling its hide() method, and shown back on by show(). That is it. You just call the respective […]
tutorial This tutorial will show how you can toggle several Series at once, with a single Legend item. Base chart Let’s start with a basic chart with three Line series. Each Series has its own entry in the Legend. Click any of those will toggle its corresponding Series on and off. Suppose, we need to have […]
tutorial This tutorial will explain how you can use regular Line Series to create functional timelines, complete with bullets and annotations. Creating a chart Data Since basic Timeline charts are used to depict sequence of events, rather than exact time or value scale, exact values in our data are not important. However, since we are going […]
tutorial This tutorial will introduce you to a powerful concept of “axis stacking”. What is it? amCharts 4 allows having multiple axes of any type. For example, you can have three series attached to three separate Value axes. In a traditional charts those value axes might be put either to left or right, but they will […]
tutorial Its easy to consolidate a lot of data into a single tooltip that is displayed over Series using Cursor. We’ve covered it in this tutorial. But what if we don’t want a huge square following our cursor, and would rather display that info in a fixed place in the corner? Read on, as we show […]
tutorial Candlesticks are a good way to depict data dynamics using variety of metrics. Instead of single value – used on most series – candlesticks use four: open, high, low, and close. This tutorial will explain how to set up and configure Candlestick series. Adding and setting up Adding a CandlestickSeries is no different than adding […]
tutorial Normally on an XY Chart, Legend creates a single item for each Series. This brief tutorial will show how you can create custom legend which will show an item for each individual column in a single Column series. Base chart Let’s take this chart as a base. It uses an adapter to color each column […]
tutorial amCharts’ number formatter has a way of formatting numbers in a variety of ways, including converting to prefix/suffix-based shorter equivalents. This tutorial will explain how you can tweak it according to your needs. The problem Extremely big numbers on a chart can be confusing and wasteful of space: Let’s see how we can fix that. […]