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Related Concept Videos

Data Collection II01:29

Data Collection II

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The nursing history captures and records the patient's health status, so that a care plan evolves to meet the patient's individual needs. The nursing health history is a part of the initial assessment. A comprehensive history covers all health dimensions and plays a significant role in the assessment process. A comprehensive history includes the patient's biographical information, reasons for seeking health care, expectations, present and past health history, medications, and...
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Data Collection I01:30

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Data collection gathers information needed to make accurate judgments about a patient's present condition. During a health history interview, subjective data is collected from the patient, their caregivers, or family members, and objective data is collected through observations and physical assessment. Patients are the primary source of subjective data. Thus information gathered from patients through interviews, observations, and physical examination is primary data. Secondary sources of...
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Data Collection by Experiments01:13

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Data collection is a systematic method of obtaining, observing, measuring, and analyzing accurate information. An experimental study is a standard method of data collection that involves the manipulation of the samples by applying some form of treatment prior to data collection. It refers to manipulating one variable to determine its changes on another variable. The sample subjected to treatment is known as “experimental units.”
An example of the experimental method is a public...
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Data Collection by Survey01:07

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The systematic method of obtaining and analyzing accurate information of a population is called data collection. A survey is a standard method of data collection that involves collecting information from a target human population about their experience, opinion, or knowledge of a product, service, or process. The responses are recorded and interpreted. The most common survey examples are written questionnaires, face-to-face or telephonic conversations, focus groups, and electronic (e-mail or...
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Data Collection by Observations01:08

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Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
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Data Collection III01:05

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The physical assessment examines the patient for objective data that defines the patient's condition, and aids in formulating the nursing care plan. The purpose of physical assessment is a health status appraisal, which includes identifying health problems, and establishing a database for nursing intervention.
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Operant Learning of Drosophila at the Torque Meter
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Smart Meter Data Collection Using Public Taxis.

Kabeya Gilbert Ngandu1, Khmaies Ouahada2, Suvendi Rimer3

  • 1Department of Electrical and Electronic Engineering Science, University of Johannesburg, Johannesburg 2195, South Africa. gilbertnganduk@gmail.com.

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Summary

This study proposes using mini-bus taxis as mobile data collectors for wireless sensor networks (WSN) in South Africa. This approach enhances data collection in areas with limited GSM network coverage, improving network life.

Keywords:
data mulepublic taxissmart meterwireless sensor network

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Telecommunications

Background:

  • Wireless Sensor Networks (WSN) enable diverse applications but face data collection challenges.
  • Traditional WSN data collection often relies on static nodes and multiple relays, or mobile nodes called data mules.
  • Data mules offer advantages like extended network life through single-hop communication.

Purpose of the Study:

  • To propose a novel data collection scheme for WSN using mobile data collectors.
  • To explore the feasibility of utilizing South Africa's mini-bus taxi network for smart meter data collection.
  • To identify critical parameters for the success of this data collection strategy.

Main Methods:

  • Leveraging the existing infrastructure of mini-bus taxis as mobile data collectors.
  • Integrating data collector nodes onto mini-bus taxis for data acquisition.
  • Proposing an alternative to traditional GSM-based data transmission from concentrators to servers.

Main Results:

  • Mini-bus taxis can serve as effective data mules, extending WSN reach.
  • This method enables data collection in areas with inadequate GSM network coverage.
  • Potential for improved network longevity and efficient data retrieval.

Conclusions:

  • The proposed data mule system using mini-bus taxis is a viable solution for WSN data collection.
  • This innovative approach addresses connectivity gaps in remote or underserved regions.
  • Successful implementation requires careful consideration of all relevant operational parameters.