
Linear trendlines are particularly useful when analyzing time-series data. In other words, if there is a trend in your data that can be represented by a straight line, then a linear trendline can be used to model that trend. A linear trendline is based on the assumption that there is a linear relationship between the independent and dependent variables in your data set. Why Linear Trendlines are Important in Data Analysisīefore we dive into the technical details of adding a linear trendline in Excel, let's take a moment to understand why it's important. Best Practices for Data Visualization with Linear Trendlines in Excel.Comparing and Contrasting Different Types of Trendlines in Excel.How to Use Trendlines to Make Predictions and Forecasts.



