Line and Multi-Line Charts
Explore how to create line and multi-line charts using Plotly Express to visualize continuous data over time. Learn to plot multiple variables from stock prices and analyze health expenditure trends by category with interactive and clear visualizations.
We'll cover the following...
Line charts and multi-line charts
Here we will cover the concept of a line chart and the scenarios that allow us to leverage it as a powerful tool for data visualization.
Line charts are particularly useful visualization options for when we wish to visualize patterns and trends of a continuous variable over time.
Advantages | Disadvantages |
Easy to visualize trends and patterns in data to see how a continuous variable changes over time | Struggles to capture the way the data is distributed |
Can plot many lines on a single chart | Can become messy as we add too many variables within a multi-line chart |
Easy to identify areas of high fluctuation in the values of the data | The plot can look extremely distorted even if a single value is incorrect or is an outlier |
Plotting stock prices
In the following examples, we will look at some stock data of the adjusted closing prices of popular companies. In a final example, we will revisit ...