PDAs-Handheld Devices

Presentation Transcript

PDAs-Handheld Devices/Internet for Census Data Collection UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advancements for information catch, philosophy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Overview of the Presentation Challenges with Paper-based Data Collection and Processing Moving to PDA/Handheld-based Data Collection and Processing PDAs: Key Features/Other Optional Features Internet-based Census Data Collection Benefits/Issues Recommendations - Conclusions UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, technique and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Paper-based Data Collection Paper-and-Pencil Interviewing Handheld gadgets Paper-based Data Collection Self-administrated Questionnaire Internet UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary innovations for information catch, procedure and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Challenges with Paper-based Data Collection/Processing Slow and tedious Re-scratching data is wasteful and expands shot of mistake Paper-based structures increment possibility of blunder Submitting numerous structures for a solitary procedure Cannot catch esteem included information – GIS Data Integrity and Authenticity UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, strategy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

PDA and Handheld Computer Personal computerized right hand: "An individual computerized aide (PDA) is a handheld PC, otherwise called little or palmtop PCs." (Wikipedia) PDA versus Handheld PC: Handheld PC offers a bigger number of components than a PDA (bigger than a PDA; littler than a Laptop!) Used conversely UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, procedure and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Paper-based Approach versus PDA's Approach Data Collection Data Entry Data Coding/Editing Paper-based Approach Manual Key section/PC helped OMR/OCR/ICR Manual Computer-helped Data Coding/Editing (incomplete) Data Collection/Entry/Coding/Editing Automated/worked in Manual Computer-helped PDA 's Approach UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, strategy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

PDA: Way of Functioning Simultaneously information entering and information coding Possibility to enter information in two courses: with determination from the offered rundown of answers (or from arrangement in various leveled arrange ) or with writing a content The following inquiry couldn't be addressed if the present one is not offered an explanation to have report of listed units (aggregate) in every minute To quantify the time required for list of each different specification unit UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, strategy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

PDAs - Key Features Works like a "Pocket Computer" Processor, RAM, ROM, Operating System Applications would we be able to stacked on the gadget Device has handling power Increases Productivity " moving " Data can be gathered in computerized organize in the field Data can be straightforwardly transferred into the server UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, strategy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Cont… Connectivity Options Data availability utilizing GPRS/CDMA Data Connectivity alternatives utilizing Wi-Fi (Wireless) Data can be exchanged by "synchronizing" with Computer: wired network by means of USB link (PDAs interface with PC) Enhanced information stockpiling Increase stockpiling limit through extra SD cards Optional elements Camera, Biometric, GPS, Add on Smart Card peruser and so on UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, procedure and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Two Types of Handheld gadgets: Pen Based Pocket PC's Stylus based information Data exchange through "adjust" Converged Pocket PC with Connectivity Connected by means of GPRS/CDMA Options of Camera, GPS UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, philosophy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Using PDA with information match up choice Option 1 Sync and exchange information Collect information in the field Option 2 Using PDA inbuilt GPRS ability Collect information in the field Send information by means of Inbuilt GPRS Option 3 Using PDA regarding Bluetooth Phone/associated link Collect information in the field Send information by means of telephone Three types of information exchange (from HP) UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, approach and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Selection Criteria: Data Input Method Stylus, On gadget console, Off Device Keyboard Memory limit RAM:64-128 MB ROM: Inbuilt ROM, Additional ROM by means of SD Card Connectivity Options Sync through PC, In-constructed GPRS/CDMA, Wi-Fi, Bluetooth Ruggedness Regional Language Support Arabic, English in addition to extra dialects Other Options GPS, Camera, and so on. UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary innovations for information catch, procedure and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Other Decision Making Criteria : Real time information transfer Vs Batch information transfer Recurring expenses for information network Ease of information section/Ease of holding gadget in one hand Battery Life/Battery Charging Options UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, system and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Managing gadgets in the field: Some Considerations How would we deal with the gadgets in the field? Information security? Gadget security? Application form on gadget? Investigating on gadget? UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, philosophy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Measures for information assurance Ensure insurance from: Loosing of as of now entered records Ex-post information adjustment in entered records Unauthorized utilizing of information Measures: Biometric Security for Wireless and GPRS Encrypting Data Make it "strong" (tough?) Make it "monstrous"! UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary innovations for information catch, procedure and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Optional Features The gadget can be empowered with GPS to: geo-reference units went to (urban and rustic) track area of information section Positioning and direction of the enumerator With Cellular, camera and OS applications UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advancements for information catch, approach and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

PDAs Costs Pocket PCs: $300-$1200 Cost reliant on User Interface Upgrading Economy of scale Deployment issues UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, technique and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Summary of Key Features Integrated field stages with GPS, cell, camera and OS applications Real-time errand administration from office Manage field time, costs, and so forth. Topographical and outline Data synchronization and administration Secure applications, techniques and conventions Ability to encode information for secure transmission UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advancements for information catch, philosophy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Self-administrated Questionnaire Paper-and-Pencil Interviewing Handheld gadgets Paper-based Data Collection Self-administrated Questionnaire Internet UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advances for information catch, strategy and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Internet-based Census Data Collection (eCensus) Why? Asked for by the populace (e.g. France) E-Government Policy (e.g. Canada) Some advantages Accurate and convenient information gathering Processing time decreased Rapid accessibility of clean information for factual investigation Enhanced examination Reuse and utilization by different Departments Enhanced Efficiency: taking out layers, lessening staff and expenses UNSD Regional Workshop on Census Data Processing for the English speaking African Countries: Contemporary advancements for information catch, system and routine of information altering Dar es Salaam, Tanzania, 9-13 June 2008

Example: Canada