In the previous chapter, you learned about two common chart types: column charts and bar charts. In this chapter, we will explore two other common chart types: line charts and spline charts.
In this chapter, you will learn how to:
Line charts show a series of data points connected by a straight line. They often show a set of data in which the quantity varies over time, or data that has any sort of sequential steps. Thus, they help to find trends in data series that enable us to forecast the future behavior of the quantity.
When talking about time-dependent series, there are two types:
In the following examples, we will have a look at plotting both types of series with line charts.