Seminar 32 — Data Visualization 101

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This product is a PDF that contains links to files that consist of PowerPoint slides synchronized with the audio-recording of the speaker (recorded presentation), PDF files of the slides, and audio only (mp3) as noted.

Energy use in existing buildings is most often related to influencing variables, such as ambient temperature, solar radiation, humidity and occupant schedules. Unfortunately, during the process of calibrating a simulation to an existing building’s energy use, the simulator needs to quickly and easily determine whether a misbehaving model is due to adjustment in factors relating to temperature, time-of-day, humidity or other unknown parameters. Most often simple graphs of an existing building’s energy use are compared to similar parameters from the simulation. Examples include time series, line graphs, scatter plots, horizontal and vertical bar charts, pie charts and most recently 3-D surface plots. Unfortunately, many of these graphic formats fail to produce meaningful graphs when overwhelmed by more than 8,000 data points on a plot. In addition, many of the graphs found in the ASHRAE Transactions from the 1950s to the present suffer from one or more graphical errors that can make a graph hard to read, or worse, misleading. This presentation reviews graphical presentation do’s and don’ts, and presents several advance graphical display techniques that combine statistics and animations to more effectively display useful comparisons between actual and simulated data to assist the calibration process.

Data Visualization 101 – Getting the Right Graph for Your Purpose
Jeff Haberl, Ph.D., P.E., Fellow ASHRAE
Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)

Effective Data Visualization
Joe Huang, Member
Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)

Development of Effective Animated Graphical Presentation Methods for Visualization of Weather Data
John Kie-Whan Oh, Ph.D.
Product Contains: Slides (pdf), Recorded Presentation, Audio (mp3)

Citation: ASHRAE Seminar Recordings, 2013 Winter Conference, Dallas, TX.

Product Details

Published:
2013
File Size:
1 file , 190 KB
Product Code(s):
D-DA13Sem32

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