A trendline is a line superimposed on a chart to reveal the overall direction of the data. Google Charts can automatically generate trendlines for Sankey Charts, Scatter Charts, Stepped area charts, Table, Timelines, TreeMap, Trendlines, Bar Charts, Column Charts, and Line Charts. We’re going to discuss the following types of trendlines charts.
| Sr.No. | Chart Type & Description |
| 1 | Basic Trendlines Chart Basic Trendlines Chart. |
| 2 | Exponential Trendlines Chart Exponential Trendlines Chart. |
| 3 | Polynomial Trendlines Chart Polynomial Trendlines Chart. |
