IT433 Data Warehousing and Data Mining — Data Preprocessing — 1 Data Preprocessing • Why preprocess the data? • Descriptive data summarization • Data cleaning • Data integration and transformation • Data reduction • Discretization and concept hierarchy generation • Summary 2 Why Data Preprocessing? • Data in the real world is dirty – incomplete: lacking attribute values‚ lacking certain attributes of interest‚ or containing only aggregate data • e.g.‚ occupation=“ ”
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Professor Faleh Alshamari Submitted by: Wajeha Sultan Final Project Hashing: Open and Closed Hashing Definition: Hashing index is used to retrieve data. We can find‚ insert and delete data by using the hashing index and the idea is to map keys of a given file. A hash means a 1 to 1 relationship between data. This is a common data type in languages. A hash algorithm is a way to take an input and always have the same output‚ otherwise known as a 1 to 1 function. An ideal hash function is
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Title: Data Analysis Word count: 1002 Contents: Introduction Procedure Findings Conclusion References Introduction: For my Data Analysis assignment I am required to present statistical data in an appropriate format. I will collect and analyse data using spread sheets‚ charts and graphs within a formal report. My report will present findings on how the internet has affected the UK economy and how is it transforming us as a nation? Procedure: I am going
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KFC * 1. INTRODUCTION …… KFC is the world’s No.1 Chicken QSR. Leading in UK‚ Australia‚ South Africa‚ China‚USA‚ Malaysia and many more. Introduced many offerings for its growing customer base in India while staying rooted in the taste legacy of Colonel Harland Sander’s secret recipe. Products are made on the motto of“Crispy outside‚ juicy inside” . In India‚ KFC is growing rapidly and today has presence in 21 * 2. HISTORICALBACKGROUND…… In 1930’s Colonel Harland Sanders some distinguished
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CC15 | RESEARCH METHODOLOGY | Mr. JEFFIN JOHN | CC16 | MANAGEMENT INFORMATION SYSTEMS | Mr. MIDHUN JOSE | CC17 | VIVA- VOCE | | CC09 -FINANCIAL MANAGEMENT Module I Financial Management - Scope - Role of Financial Management in Business-Time value of money-Risk and Return- Risk diversification. Module II Long-term investment decisions – Capital budgeting‚ Different techniques –Traditional and modern methods (DCF method) – Capital Rationing – Risk Analysis in Capital budgeting
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The application allows the user to open a new account with a unique name and pass word. Once account is being created the account name and password will be used to access the service. The user is also authorized to change his/her password at any time. The accounts are divided into two categories- user account and admin account. The admin account allows the admin to get access to the database and make any necessary change or update the database. Once the user gets access to the service
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c. ratio scale d. interval scale 2. Data obtained from a nominal scale a. must be alphabetic b. can be either numeric or nonnumeric c. must be numeric d. must rank order the data 3. In a post office‚ the mailboxes are numbered from 1 to 4‚500. These numbers represent a. qualitative data b. quantitative data c. either qualitative or quantitative data d. since the numbers are sequential‚ the data is quantitative 4. A tabular summary of a set of data showing the fraction of the total number
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Big Data which companies are easily able to collect from their businesses‚ customers and employees. It explains the numerous advantages of using the data collected by companies effectively so that it can be used by the company in improving its efficiencies‚ sales‚ faster and quicker turnaround which in turn would lead to increase revenues and finally increased profits (which is what the stakeholders of the company are looking for).It illustrates the prominent fact that companies that are data-driven
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DATA | INFORMATION | 123424331911 | Your winning lottery ticket number | 140593 | Your date of birth | Aaabbbccd | The grades you want in your GCSEs | Data and information Data‚ information & knowledge Data Data consist of raw facts and figures - it does not have any meaning until it is processed and turned into something useful. It comes in many forms‚ the main ones being letters‚ numbers‚ images‚ symbols and sound. It is essential that data is available because it is the first
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1 Secondary data analysis: an introduction All data are the consequence of one person asking questions of someone else. (Jacob 1984: 43) This chapter introduces the field of secondary data analysis. It begins by considering what it is that we mean by secondary data analysis‚ before describing the type of data that might lend itself to secondary analysis and the ways in which the approach has developed as a research tool in social and educational research. The second part of the chapter considers
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