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Data Essays

Introduction to Databases

Introduction to DatabasesWhat is a database? A database is a collection of data structured and organized in a disciplined fashion so that it is possible to access information of interest as quickly as possible. (Newton, 193)In residential sales at TDS Metrocom, the database that is used almost exclusively is Microsoft Access. We use access to …

Economic Data Analysis:

Question Selected: 1 Name: Report on the predicted UK Macro-economic Development for the Period 1999-2000 Summary of Contents: ______________________________________________I : The Current State of the World Economy and its Relevance for the UK.The economic and financial conditions across the world show a marked improvement when compared to the 1997-98 unstable in emerging markets, which caused …

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Spatial Data Acquisition

Title of Lecture: Spatial data acquisition and system modeling: notes from the field and the lab. Department of Lecture: Earth Sciences Date and Time of Lecture: January 13th, 2000 at 4:30pm The primary purpose of the project is to use model simulations to forecast spatial patterns among various species in the environment. By comparing current …

Assignment Quantitative Data Analysis

Data analysis is an attempt by the researcher to summarize collected data either quantitative or qualitative. Generally, quantitative analysis is simply a way of measuring things but more specifically it can be considered as a systematic approach to investigations. In this approach numerical data is collected or the researcher transforms collected or observed data into …

Building Data Mining Applications for Crm

Building Data Mining Applications for CRM Introduction This overview provides a description of some of the most common data mining algorithms in use today. We have broken the discussion into two sections, each with a specific theme: • Classical Techniques: Statistics, Neighborhoods and Clustering • Next Generation Techniques: Trees, Networks and Rules Each section will …

Data Structure: Mechanism for Storing Data and Organizing

What is a data structure? Data structure is a mechanism for storing data and organizing it in some way. The data structures you use in Alice are list and arrays. Which automatically grows in size as you add items to it, lists or arrays? The list automatically expands as items are added to it. When …

Tic-Tac-Toe – Data Mining

The Goal My goal is to find the probability of wining in tic-tac-toe game given that you make the first move. To obtain hypothesis bases on my goal I have to state some conditions and facts on the game. They are: 1) There are 362, 880 ways of placing O’s and X’s. 2) When X …

New data: how labs help hospitals weather DRGs

Under nationwide DRG-based prospective payment, the hospitallab’s shift from revenue center to cost center sometimes soundslike a reason to be defensive or apologetic about performing tests. Butmore and more evidence verifies that laboratory procedures can do agreat deal to help hospitals stay afloat in the DRG system. Much of the evidence is harvested from New …

Multidimensional Data Model

What is a information regular hexahedron? A information regular hexahedron allows informations to be modeled and viewed in multiple dimensions. It is defined by dimensions and facts. In general footings. dimensions are the positions or entities with regard to which an organisation wants to maintain records. Each dimension may hold a tabular array associated with …

A Look at the Data Equipments in my office

Introduction Information has taken center stage in modern day operation and the need for efficient information systems is given as much emphasis as strategic planning (Tipton & Krause, 2007).  Information system is a collection of policies and mechanisms put in place to ensure their implementation (Tipton & Krause, 2007).  Telecommunication devices are among the data …

Qualitative, Quantitative, Subjective and Objective Data

Introduction Data can be defined as two values of levels of measurement (qualitative and quantities). Qualitative and quantitative data form the theory of scales by American psychologist Stanley Smith Stevens. Data can be words, numbers, figures, etc. The document that we are discussing contains many dates, percentages, numbers and words. For this statistical investigation, the …

Recommendation and Justification Datavast

Recommendation and Justification Maggie Hao, who created the Datavast Company decided the most effective solution is the size of segmentation. The demand of each company in each geographical areas and industries are different, also buying properties. However, firm size affects the demand and necessity of each company. Although they had no direct competitor at the …

Advanced Database Systems

KINGSTON UNIVERSITY Faculty of Science, Engineering and Computing CI 3116 – Advanced Database Systems DESIGN EXERCISE FINAL REPORT Daffodil Theatre Booking System Gabriel Delucis Hilal K0935109 15th May 2012 Table of Contents Introduction1 Aim1 Objectives1 Conceptual Data Model1 Relational Data Model1 Implementation1 Conceptual Data Model2 Class Diagram2 Descriptions and Assumptions2 Discussion4 Relational Data Model5 Relational …

Secondary Data Analysis-Literature Review

Secondary Data Analysis-Literature Review In the article “Violence, Older Peers, and the Socialization of Adolescent Boys in Disadvantage Neighborhoods” David J. Harding stated that “most theoretical perspectives on neighborhood effects on youth assume that neighborhood context serves as a source of socialization, but the exact sources and processes underlying adolescent socialization in disadvantaged neighborhoods are …

Research Tools for Data Collection

Research Tools for Data Collection 1. Validity describes the degree to which a tool measures the attribute it is designed to measure. Describe two ways in which you could evaluate the validity of a research tool. a. Content Validity is validity evidence that examines the items in the test; whether these items measure what it …

High Capacity Data Hiding Method Based on JPEG

INFORMATICA, 2004, Vol. 15, No. 1, 127–142 ? 2004 Institute of Mathematics and Informatics, Vilnius 127 High Capacity Data Hiding in JPEG-Compressed Images Hsien-Wen TSENG, Chin-Chen CHANG Department of Computer Science and Information Engineering National Chung Cheng University Chaiyi, Taiwan 621, R. O. C. e-mail: {hwtseng,ccc}@cs. ccu. edu. tw Received: March 2003 Abstract. The JPEG …

Qualitative Research – The Situation of Data Saturation

Data saturation The situation of data saturation happens when the data which is being presented recurs or has been heard before.  In such a case, if a researcher interviews a group of people, then data saturation is when all the interviewed people give the same experience with no variation in the data given.  In case …

Databases In the Modern Business

Database Systems What is a database? At its most simplistic a database is nothing more that a repository of data. Expanding on that minimalistic definition a database can be defined as “specialized structures that allows computer-based systems store, manage, and retrieve data” (Coronel, Morris, & Rob, 2013, p. 5). Databases store data, but data alone …

Boss, I Think Someone Stole Our Customer Data

The one that I believe to be the best solution to address the issues faced by Flayton Electronics is that of James E. Lee. I would definitely use his recommendations because it shows all the key areas that are crucial in a risk response plan. Lee’s suggestions are typical of contingency planning; according to Heldman …

Database Data Mining: the Silent Invasion of Privacy

Database Data Mining: The Silent Invasion of Privacy Database Data Mining: The Silent Invasion of Privacy Dustin Johnson University of Maryland University College As coined in an article in the St. Louis Post-Dispatch by Aisha Sultan, “Data is the new world currency. ” Data mining is the process of analyzing data from different perspectives and …

Big Data Analysis Platforms and Tools

1. Hadoop You simply can’t talk about big data without mentioning Hadoop. The Apache distributed data processing software is so pervasive that often the terms “Hadoop” and “big data” are used synonymously. The Apache Foundation also sponsors a number of related projects that extend the capabilities of Hadoop, and many of them are mentioned below. …

Problems of the Performance Evaluation Data

The case suggests that the performance evaluation data (PAS, personnel audit, and the impressions and opinions of the group members) had several problems. From the perspective of the decision-making biases, analyze how the characteristics of the performance data were likely to affect the decisions made by the Carter group. In your analysis, cite specific problems …

Cross Tabulation and Exploratory Data Analysis

4. Prepare a preliminary analysis plan for this study. Which variables do you want frequencies on? Why? The initial stage of the data correlation and analysis would be the proper coding of the data and entry into an appropriate software database. For this case study, the data was presented as an Excel file, so the …

The First Three Steps in the Hacking Process

Выполните разведку и зондирование с помощью графического интерфейса Zenmap (Nmap) Обзор Хакеры обычно используют пятиступенчатый подход для поиска и уничтожения целевых хостов. Первый шаг в выполнении атаки – спланировать атаку, определив цель и узнав о ней как можно больше. Хакеры обычно проводят первоначальную разведку и сканирование, чтобы идентифицировать IP-хосты, открытые порты и службы, включенные на …

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