Download e-book for iPad: A Simple Introduction to Data and Activity Analysis by Rosemary Rock-Evans

By Rosemary Rock-Evans

ISBN-10: 1483184056

ISBN-13: 9781483184050

An easy advent to info and job research

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Extra resources for A Simple Introduction to Data and Activity Analysis

Sample text

How to do Data Analysis 53 You do run the risk, when using a person as your source of input, that his forgetfulness will also cause errors. If you use this method you must make sure every fact is verified, either by using the output from a different method to cross check or by going back to your user. 3 Using Occurrences I find real-world occurrences the most fascinating input to be analysed. It may be because this method of analysis is very new, but I also think it is because, of all the methods, it offers the greatest potential for automated support.

If you use this method you must make sure every fact is verified, either by using the output from a different method to cross check or by going back to your user. 3 Using Occurrences I find real-world occurrences the most fascinating input to be analysed. It may be because this method of analysis is very new, but I also think it is because, of all the methods, it offers the greatest potential for automated support. Real-world occurrences are the things themselves and the Relationships between the things rather than the classes.

C) Relationships may only exist between Entities. d) Only Entities have Attributes. In other words Relationships cannot have Attributes. Entity Relationship Entity Relationship degree is shown on the Data Model as follows. g. "Business". All Data Modelling depends on these rules. 7 SUMMARY There are three main concepts used in Data Analysis - the Entity, Attribute and the Relationship. 36. 1 INTRODUCTION This chapter shows you how to get the Data Analysis deliverables - the Data Model and all the related information from a number of well defined "inputs".

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A Simple Introduction to Data and Activity Analysis by Rosemary Rock-Evans


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