Wondering how to make a graph in Google Sheets? Open your spreadsheet and get your data ready. It’s time for a crash course on chart creation in Google Sheets.

In this column, I will describe the “issue” disclosed through analysis of the trend graph included in my April 2012 “Commissioning” column. I will also introduce a new system, show its trend graph, ...

FEBRUARY 2012 TREND LOG ANALYSIS Last month’s trend graph showed about two weeks of 15-min interval data from the BAS for selected points on a single-zone, constant volume, mixed AHU. The system was ...