digital data collection tablets joost van heerwaarden n2africa research & data coordinator...
TRANSCRIPT
![Page 1: Digital Data Collection Tablets Joost van Heerwaarden N2Africa Research & Data Coordinator joost.vanheerwaarden@wur.nl ILRI-N2Africa Awareness creation](https://reader035.vdocument.in/reader035/viewer/2022062805/5697bfa61a28abf838c98568/html5/thumbnails/1.jpg)
Digital Data Collection Tablets
Joost van Heerwaarden
N2Africa Research & Data Coordinator
ILRI-N2AfricaAwareness creation on Data Tools and Data Refinement Workshop
18 August, 2015, ILRI CampusAddis Ababa, Ethiopia
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Data collection in N2africa
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N2Africa
?
“putting nitrogen fixation to work for smallholder farmers growing legume crops in Africa”
What works where, why and for whom?
How to tailor technologies?
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Diagnostic trials
Constraints
biophysical
Demonstration trials
Best-bet
Biophysical + management
Adaptation trials
Best-fitBiophysical +
management + farmer interventions
Researcher- managed agronomy(specialised
agronomy trials, non responsive soils)
N2Africa-led dissemination
Technology
Learning
Common technologies
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Evaluating performance on farm
Demonstration trial
Adaptation trial
Adaptation trial
Adaptation trial
Adaptation trial
Adaptation trial
Adaptation trial
Adaptation trial
Adaptation trial
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= + + ?+
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DEMONSTRATION
ADAPTATION
FOCALtrials
DIAGNOSTICQuantity of data
Nu
mb
er of trials
Training /
Capacity building
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Focal adaptation trials
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Learning -> Feedback loops
M&E / Research
Demonstration
Adoption /Adaptation
N2Africa and data
D&D
D2R:
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Data delivery and feedback
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Some problems with paper...
Collection + Centralisation + Capture + Transfer =
A rather long time
Inconsistency ≠ inconcistensie
36N0663880, 153548 = Where exactly?
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Advantages of electronic data collection
- Speed of delivery (fast turnover)
- Potential for improved accuracy and consistency
- Incorporation of GPS, media
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Disadvantages of electronic data collection
- Management and administration of forms
- Need for some technical know-how and infrastructure
- Tablets break, get borrowed, rained upon etc.
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Managing forms....
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Open Data Kit
“A free and open-source set of tools which help organizations author, field, and manage mobile data collection solutions.”
A B C D E
Build forms Collect data Aggregate data
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Preparations
Get ODK collect
Set up ODK aggregate on a server
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Design XLS form
Convert to XML
Upload to server
Download to tablet
Build
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Collect
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Collect
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Aggregate
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Demonstration
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Useful websites
http://opendatakit.org
http://opendatakit.org/xiframe/
http://xlsform.org
http://odk.n2africa.org:8080/ODKAggregate/Aggregate.html
on tablet (collect):
http://odk.n2africa.org:8080/ODKAggregate
Username: n2africaethiopiaPassword: Opia/401
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N2A
PLOT
OWN
LEGUME