Create a Line Chart Driven by Expression

在本教程中，我们将学习如何完全使用表达式创建一个折线图。

我们将要使用大量表达式到工作中，希望你会学到一些有趣的提示前进的道路。

In this tutorial, we’re going to learn how to create a line chart fully driven by expressions.

We are going to be using a lot of expressions to make it all work hopefully you’ll learn some interesting tips along the way.