Sampling and Data Collection Plan Name QNT/561 October 27‚ 2014 Instructor Introduction Royal Blue Airlines is a medium sized airline company offering flights throughout the United States‚ Mexico‚ Caribbean Islands‚ and Latin America. The company operates a fleet of Boeing 737 aircrafts and is in the process of replacing older ones with newer‚ state-of-the-art planes. These new planes are very expensive‚ so management wants to maximize passenger count. A study has been authorized to
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Introduction Big Data is indeed a better idea. Every day‚ we create 2.5 quintillion bytes of data–so much that 90% of the data in the world today has been created in the last two years alone. This data comes from everywhere: posts to social media sites‚ digital pictures and videos posted online‚ transaction records of online purchases‚ and from cell phone GPS signals to name a few. This data is big data. “Much like the scientific principle that we can’t observe a system without changing it‚ big data can’t
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The Evolution of Data Models The quest for better data management has led to different models that attempt to resolve the file system’s critical shortcomings. Because each data model evolved from its predecessors‚ it is essential to examine the major data models in roughly chronological order. 1.1 The Hierarchical Model A Hierarchical Database Model is a data model in which the data is organized into a tree-like structure. The structure allows representing information using parent/child relationships:
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Personal Data Using a Cloud Backup Solution” “I have not failed. I’ve just found 10‚000 ways that will not work.” (Thomas Edison). His words take on a new life as we explore the technology of backing up personal data. Choosing the method of backing up computer and mobile device data can be a difficult challenge. There are dozens of data backup solutions available in the market today ranging from external drive backups‚ to cloud backup services. The best solution of backing up personal data is a
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Qualitative data analysis What Is Qualitative Analysis? Qualitative modes of data analysis provide ways of discerning‚ examining‚ comparing and contrasting‚ and interpreting meaningful patterns or themes. The varieties of approaches - including ethnography‚ narrative analysis‚ discourse analysis‚ and textual analysis - correspond to different types of data‚ disciplinary traditions‚ objectives‚ and philosophical orientations. What Is Qualitative Analysis? We have few agreed-on canons for qualitative
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System Based On Web Data Mining for Personalized E-learning Jinhua Sun Department of Computer Science and Technology Xiamen University of Technology‚ XMUT Xiamen‚ China jhsun@xmut.edu.cn Yanqi Xie Department of Computer Science and Technology Xiamen University of Technology‚ XMUT Xiamen‚ China yqxie@xmut.edu.cn Abstract—In this paper‚ we introduce a web data mining solution to e-learning system to discover hidden patterns strategies from their learners and web data‚ describe a personalized
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Learning and Data Mining Overview: Efficient asset allocation through statistical learning methods and comparison of methods for the creation of an index tracking ETF (Exchange traded fund) Datasets: The datasets are chosen from the website of the book “Statistics and Data Analysis for Financial Engineering” by David Ruppert. The book is mentioned as one of the references for this course. The two data sets chosen are 1. Stock_FX_Bond.csv 2. Stock_FX_Bond_2004_to_2006.csv The data includes
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Data Collection: Primary Data • Types of Primary Data: • Demographic and Socioeconomic Characteristics. • • Age‚ Education‚ Occupation‚ Marital Disposable income‚ etc. Used to cross-classify respondents issues. status‚ Gender‚ segmentation • Psychological and Lifestyle Characteristics. • • • Personality traits‚ activities‚ interests and values. Rests on the premise that marketing will be more effective if the firm knows how their potential clients live‚ what interests them‚ and what they
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prediction rate. Data mining objectives: I would like to explore the pre conceived ideas I have about the sinking of the titanic‚ and prove if they are correct. Was there a majority of 3rd class passengers who died? What was the ratio of passengers who died‚ male or female? Did the location of cabins make a difference as to who survived? Did chivalry ring through and did ‘women and children first’ actually happen? Data Understanding: Describe the data: Figure Class
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researcher make the right decision about collecting new data versus using existing data for the study? Yes‚ the researcher made the right decision about collecting new data versus using existing data for the study. Because previous studies’ data are applicable only to their respective country. And as of now‚ there is no published study about using the internet to teach primigravida about their role. 2. Did the researcher make good data collection decisions with regard to structure‚ qualification‚
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