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
Premium Sampling Sample Stratified sampling
Data Preprocessing 3 Today’s real-world databases are highly susceptible to noisy‚ missing‚ and inconsistent data due to their typically huge size (often several gigabytes or more) and their likely origin from multiple‚ heterogenous sources. Low-quality data will lead to low-quality mining results. “How can the data be preprocessed in order to help improve the quality of the data and‚ consequently‚ of the mining results? How can the data be preprocessed so as to improve the efficiency and ease
Premium Data mining Data analysis Data management
Turning data into information © Copyright IBM Corporation 2007 Course materials may not be reproduced in whole or in part without the prior written permission of IBM. 4.0.3 Unit objectives After completing this unit‚ you should be able to: Explain how Business and Data is correlated Discuss the concept of turning data into information Describe the relationships between DW‚ BI‚ and Data Insight Identify the components of a DW architecture Summarize the Insight requirements and goals of
Premium Data warehouse Business intelligence Data management
Systems Coursework Part 1: Big Data Student ID: 080010830 March 16‚ 2012 Word Count: 3887 Abstract Big data is one of the most vibrant topics among multiple industries‚ thus in this paper we have covered examples as well as current research that is being conducted in the field. This was done based on real applications that have to deal with big data on a daily basis together with a clear focus on their achievements and challenges. The results are very convincing that big data is a critical subject that
Premium Data analysis Google Data management
Become a Vegetarian! Shatia Davis General Purpose: To persuade. Specific Purpose: Today‚ I will persuade you why you should become a vegetarian. Thesis statement: I will tell you first where some meat really comes from; second I will tell you how some animals are slaughtered; lastly I will try to persuade you to become a why vegetarian. * Attention-getter: How many people in here eat meat? Well I’m sure some of you can’t imagine a day without meat‚ that’s why I’m here today to persuade
Free Meat Ethics of eating meat
Penang‚ Malaysia Abstract Steganography is one of the methods used for the hidden exchange of information and it can be defined as the study of invisible communication that usually deals with the ways of hiding the existence of the communicated message. In this way‚ if successfully it is achieved‚ the message does not attract attention from eavesdroppers and attackers. Using steganography‚ information can be hidden in different embedding mediums‚ known as carriers. These carriers can be images‚
Premium
Secondary data refers to the data which an investigator does not collect himself for his purpose rather he obtains them from some other source‚ agency or office. In other words‚ this data has already been collected by some other source and an investigator makes use of it for his purpose. Secondary data is different from primary data on the basis of the sources of their collection. The difference between the two is relative - data which is primary at one place become secondary at another place.
Premium Publishing Academic publishing Publication
Williams English 3 20 March 2012 How to become a Veterinarian: Steps needed to pursue a career in Veterinary Medicine In order to become a Veterinarian‚ one must go through a series of steps. Meanwhile‚ the main point is to graduate specializing in Veterinary Medicine. If you want to take the correct path in becoming a Vet‚ the following information is essential to your success. The first steps in preparation to become a Veterinarian begin in High School. Many recourses
Premium Veterinary medicine High school Medicine
Data Warehousing‚ Data Marts and Data Mining Data Marts A data mart is a subset of an organizational data store‚ usually oriented to a specific purpose or major data subject‚ that may be distributed to support business needs. Data marts are analytical data stores designed to focus on specific business functions for a specific community within an organization. Data marts are often derived from subsets of data in a data warehouse‚ though in the bottom-up data warehouse design methodology the data
Premium Data mining Data warehouse
Security Techniques for Protecting Data in Cloud Computing Venkata Sravan Kumar Maddineni Shivashanker Ragi School of Computing Blekinge Institute of Technology SE - 371 79 Karlskrona Sweden i This thesis is submitted to the School of Computing at Blekinge Institute of Technology in partial fulfillment of the requirements for the degree of Master of Science in Software Engineering. The thesis is equivalent to 40 weeks of full time studies. Contact Information: Author(s): Venkata Sravan Kumar
Premium Cloud computing