charting
v.v. to record information on a map or graph to show how something changes or where it is. You use this to track progress or plan a route.
v. recording or monitoring the progress, development, or position of something over a period of time. Often involves the systematic mapping of data or geographical features.
The scientists are charting the movement of the stars.
By charting the daily sales figures, the manager identified a significant increase in customer traffic during the weekends.
The documentary focuses on the explorers who spent decades charting the previously undocumented regions of the Amazon basin, facing immense logistical challenges along the way.
Often used in the progressive form ('is charting') or as a gerund to describe an ongoing process of data collection.