PRINCIPLES OF DATA QUALITY Arthur D. Chapman1 Although most data gathering disciples treat error as an embarrassing issue to be expunged‚ the error inherent in [spatial] data deserves closer attention and public understanding …because error provides a critical component in judging fitness for use. (Chrisman 1991). Australian Biodiversity Information Services PO Box 7491‚ Toowoomba South‚ Qld‚ Australia email: papers.digit@gbif.org 1 © 2005‚ Global Biodiversity Information Facility Material
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DATA COLLECTION Business Statistics Math 122a DLSU-D Source: Elementary Statistics (Reyes‚ Saren) Methods of Data Collection 1. 2. 3. 4. 5. DIRECT or INTERVIEW METHOD INDIRECT or QUESTIONNAIRE METHOD REGISTRATION METHOD OBSERVATION METHOD EXPERIMENT METHOD DIRECT or INTERVIEW Use at least two (2) persons – an INTERVIEWER & an INTERVIEWEE/S – exchanging information. Gives us precise & consistent information because clarifications can be made. Questions not fully understood by the respondent
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important to businesses for several reasons. To boost operations they use communications‚ web‚ and database technologies. Databases are key in all functions relating to information storage and retrieval‚ and assists with marketing‚ customers service‚ financials‚ and logistics. They are also essential in the creation and maintenance of records for continuous usage and to generate reports from this information. For example‚ a company could store all customer information and ordering data in Access
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Why Do Businesses Internationalise? 1. Why do businesses internationalise? Compare and contrast mainstream and alternative theories. (Firms search for‚ efficient‚ cheap‚ productive locations) MNE – multinational enterprise Neoclassical Trade Theories Heckscher-Ohlin’s Factor Endowments: A mathematical model‚ It predicts patterns of trade (production and consumption) based upon a country’s factor endowments. Factor endowments include land‚ labour and capital. The amounts of these vary between countries
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Ensuring Data Storage Security in Cloud Computing Cong Wang‚ Qian Wang‚ and Kui Ren Department of ECE Illinois Institute of Technology Email: {cwang‚ qwang‚ kren}@ece.iit.edu Wenjing Lou Department of ECE Worcester Polytechnic Institute Email: wjlou@ece.wpi.edu Abstract—Cloud Computing has been envisioned as the nextgeneration architecture of IT Enterprise. In contrast to traditional solutions‚ where the IT services are under proper physical‚ logical and personnel controls‚ Cloud Computing
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Exercise: 1) Convert the following: 3 m = ____300______ cm 83 m = _____83000000_____ μm 41‚692 m = ____.000041692______ mm 110 kilometers = _____110000_____ m = ____110000000________ mm 3.7 hectometers =____370_____ m =_____37000_______ cm 451‚000‚000 μm = ____.000451_____ m = ____.0000451_______ dam 2) Imagine a field is about 100 meters long. If you run a 5K race how many meters is it? Approximately how many “fields” does this equate to? 50 football fields 3) Measure the following objects
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Assignment 1: Compare the Different Relational Database Management Systems In an article written By Suqing Wang‚ eHow Contributor SQL Server Vs. Oracle Data Types Database While designing and defining tables in databases‚ it is important to find out the data type for each column in the data tables. A data type is an attribute which defines the type of data an object can retain: integer‚ string‚ data and time‚ etc. There are basically three main types: text‚ numbers and date/times. The data types are
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research because they allow the researchers to analyze empirical data needed to interpret the findings and draw conclusions based on the results of the research. According to Portney and Watkins (2009)‚ all studies require a description of subjects and responses that are obtained through measuring central tendency‚ so all studies use descriptive statistics to present an appropriate use of statistical tests and the validity of data interpretation. Although descriptive statistics do not allow general
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the biggest mixed market economies in the world‚ whilst having a GDP (Gross Domestic Product) of $1.62 trillion; it also has many industries which help boosts the market. Two of these include the likes of the mining and tourism trades. One of the most financially beneficial trades‚ the mining industry‚ has had a massive impact on the Australian economy in many ways‚ for example; this industry employs more than 200‚000 Australians a year‚ over the span of 11 years over $400 billion worth of resources
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August 16‚ 2014 Week 6 Homework Assignment Mining Group Gold Introduction Thomas Kayser‚ author of Mining Gold: How to Cash in on the Collaborative Brain Power of a Team for Innovation and Results‚ stated in his book “If you can’t or won’t take the time to do the simple preparatory work‚ you haven’t earned the right to convene a group session.” Kayser developed a way for teams to collectively combine all efforts in a meeting. He named this method Mining Group Gold. Five Basic Steps According to
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