Plotly line charts are implemented as connected scatterplots (see below), meaning that the points are plotted and connected with lines in the order they are provided, with no automatic reordering..

Line charts work well for showing trends over time. ... To select the right chart type in Python, begin by understanding your data—whether it's categorical or continuous.

We use the matplotlib library to plot the line chart, and the numpy library to access aggregation functions.. An average line can be drawn using the axhline() method from matplotlib, using as an ...

Consider the data type (categorical, numerical, time series) and the message you want to convey. Bar charts work well for comparing categories, while line charts show trends over time.