Which command generates a summary based on analytic functions over a specified time?

The command that generates a summary based on analytic functions over a specified time is the timechart command. This command is specifically designed for time-series data and automatically organizes the results in a time-based format. It allows users to perform various statistical calculations, such as averages, sums, counts, and other analytic functions on data over defined time intervals. The output is typically structured in a way that provides a visual understanding of trends over time, making it particularly useful for analyzing time-stamped data.

Other commands like eventstats and chart serve different purposes. Eventstats computes statistics on a specified field and appends the results to the events but does not specifically group and summarize that data over time intervals. The chart command creates a summary of events in a tabular format based on a specified field, but it does not have the inherent time-aggregation capability that timechart has. The where command is used for filtering results based on certain conditions and doesn't provide summary statistics or time-based aggregation. Therefore, timechart is uniquely suited for generating time-based summaries with analytic functions.