A method includes displaying, via a graphical user interface (GUI), a first graphical representation of a dataset on a display screen in communication with the data processing hardware, the first graphical representation representing a statistical summary of the dataset. The method includes receiving, via the GUI, an indication of a user interaction. In response to the received indication of the user interaction, the method includes displaying, via the GUI, a second graphical representation of the dataset on the display screen, the second graphical representation representing a plurality of statistical summaries of the dataset, each respective statistical summary of the plurality of statistical summaries computed for a respective time period of a plurality of time periods.