Handheld Data Collection Charles E. Vopicka Database Manager Forest Biometrics Research Institute College of Forestry and Conservation University of Montana Missoula, MT 59812
Data Collection Analog –Paper Digital –Handheld
Data Collection Process Historically: 1.Design procedures 2.Go into field 3.Collect data 4.Return to office 5.Enter data into computer 6.Analyze
Data Collection Process 1.Design Procedures 2.Go into field 3.Collect and analyze data –Check for errors in the field –Collect more data 4.Return to the office 5.Print results
Handheld Computer Project requirements: create software that Can be used on an “off-the-shelf” handheld Can be easily and directly imported to PC Is user friendly and robust
Hardware 1.Long battery life Replaceable batteries 2.Nonvolatile/removable memory 3.Cheap 4.User friendly 5.Compact 6.Resilient to field work
Drawbacks Not rugged Volatile memory Minimal software for forestry
Benefits $200 pocket PC vs. $1100+ CMT –5.5:1 Expandability Multifunctional
Solutions Field hardened cases Removable memory –See coin MFPS-PPC –demo
Mobile FPS for Pocket PC MS Visual Basic.net Pocket PC & Windows CE v4+ CSV data Data in - data out Customizable
On two occasions I have been asked, 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question. Charles Babbage
Questions For more information please contact: Chuck Vopicka Forest Biometrics Research Institute College of Forestry and Conservation University of Montana Missoula, MT