Which charts can be used to visualize time series data in Power BI?

The correct answer identifies line charts, area charts, and calendars as effective options for visualizing time series data in Power BI. Each of these chart types serves a unique purpose in highlighting trends and patterns over time.

Line charts are particularly suited for depicting data points over a continuous time scale, making it easy to observe trends, fluctuations, and changes in data over specific time intervals. They allow for a clear representation of how metrics evolve, facilitating a straightforward comparison of values at different times.

Area charts build upon line charts by filling the space below the line with color, thus providing visual emphasis on the magnitude of the values across the timeline. This can enhance the understanding of the volume of activity or changes over time, making it easier to visualize cumulative quantities.

Calendars represent time data in the context of a full year or month layout, allowing for visual spotting of patterns and anomalies that might occur on specific dates. This format can be particularly helpful for identifying seasonal trends or specific dates of interest.

In contrast, pie charts and scatter plots are typically used for displaying categorical data or relationships between two variables, not for time-based data. Bar charts and tree maps are better suited for comparing quantities across categories rather than over time. Bullet charts and gauge charts focus on performance metrics