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.
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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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CASE EXERCISE (PAGE 263) THE PRODUCTION FUNCTION FOR WILSON COMPANY Economists at the Wilson Company are interested in developing a production function for fertilizer plants. They collected data o 15 different plants that produce fertilizer. Plant | Output(000 tons) | Capital($000) | Labor(000 Worker Hours) | 1 | 605.3 | 18‚891 | 700.2 | 2 | 566.1 | 19‚201 | 651.8 | 3 | 647.1 | 20‚655 | 822.9 | 4 | 523.7 | 15‚082 | 650.3 | 5 | 712.3 | 20‚300 | 859.0 | 6 | 487.5 | 16‚079 | 613
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operations is essential. This paper presents a methodology for constructing the dynamic execution graph that characterizes the execution of an ordinary program (an application program written in an imperative language such as C or FORTRAN) from a serial execution trace of the program. It then uses the methodology to study parallelism in the SPEC benchmarks. We see that the parallelism can be bursty in nature (periods of lots of parallelism followed by periods of little parallelism)‚ but the average
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H010: Adjustment of Emotional Score of English Boys and Hindi Girls 1 – Boys‚ 2 - Girls and 1 - English and 2 – Hindi Group Statistics | | Gender | N | Mean | Std. Deviation | Std. Error Mean | Emotional Score | Boys | 175 | 10.9829 | 3.97329 | .30035 | | Girls | 120 | 13.9750 | 5.18152 | .47301 | Independent Samples Test | | Levene’s Test for Equality of Variances | t-test for Equality of Means | | F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference
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The Woodspurge The poem woodspurge uses different tools of poetry that are common in very good ways which makes a poem what is it gives it a back bone‚ a structure some might say its format or foundation but to me it is to enhance and to impasses a poem and to make it as relatable and as descriptive as possible. One of the tools used was a meter In poetry‚ meter is the basic rhythmic structure of a verse or lines in verse. Many traditional verse forms prescribe a specific verse metre‚ or a certain
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Data Mining Information Systems for Decision Making 10 December 2013 Abstract Data mining the next big thing in technology‚ if used properly it can give businesses the advance knowledge of when they are going to lose customers or make them happy. There are many benefits of data mining and it can be accomplished in different ways. The problem with data mining is that it is only as reliable as the data going in and the way it is handled. There are also privacy concerns with data mining
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1-800-852-1641 Copyright © 1999 by Standard & Poor’s All rights reserved. ISSN 0196-4666 USPS No. 517-780 Visit the Standard & Poor’s web site: http://www.stockinfo.standardpoor.com STANDARD & POOR’S INDUSTRY SURVEYS is published weekly. Annual subscription: $10‚500. Reproduction in whole or in part (including inputting into a computer) prohibited except by permission of S&P. Executive and Editorial Office: Standard & Poor’s‚ 55 Water Street‚ New York‚ NY 10041. Standard & Poor’s is a division of
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The Concurrent Validity of Money Metaphor Inventory By MUOKWUE MARTIN E. M. Department of Psychology‚ Faculty of Social Sciences Nnamdi Azikiwe University‚ AWKA. 1.1 INTRODUCTION Researchers have of recent turned their search light on the impact of money to human activities‚ especially as it concerns ethical issues about money. It is no doubt that we are really in the age of the economic man and money play a pivotal role on the day to day activities in the modern society.
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Romantic Period 1820-1900 General Notes: • Cultural Movement that stressed ⁃ Emotion ⁃ Imagination ⁃ Individualism Diverse and Complex • Fascination with Fantasy • Revered ⁃ Middle Ages ⁃ Chivalry ⁃ Romance • Inspired by ⁃ Medieval Folk Ballads ⁃ Tales of Fantasy ⁃ Adventure • Coincided with the Industrial ⁃ Revolution Visual Arts of the Period: • Most important influence on painters and sculptures was Nature Music in Society: ⁃ Making
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