MBA management

Introduction to Software Metrics

Metric is a measure for quantitatively assessing, controlling or selecting a person, process, event, or institution, along with the procedures to carry out measurements and the procedures to carry out measurements and the procedures for the interpretation of the assessment in the light of previous or comparable assessments. Metrics are usually specialized by the subject area, in which case they are valid only within a certain domain and cannot be directly benhcmarked or interpreted outside it. This factor severely limits the applicability of metrics, for instance in comparing performance across domains. The prestige attached to them may be said to relate to a ‘quantifiability fallacy’, the erroneous belief that if a conclusion is reached by quantitative measurement, it must be vindicated, irrespective of what parameters or purpose the investigation is supposed to have... Software Metrics

The History and Evolution of Software Metrics

The software industry is almost 60 years old, which makes it a fairly mature industry. One would think that after 60 years the software industry would have well-established methods for measuring productivity and quality, and also a large volume of accurate benchmark data derived from thousands of measured projects. However, this is not quite the case. There are a number of propriety collections of software benchmark data, such as those collected by the software Engineering Institute (SEI) ,Gartner Group, Software productivity Research (SPR), the David Consulting Group, Quantitative Software Management (QSM), and a number of others. Some of these collections are large and may top 10,000 projects. However, the details from these benchmark collections are provided to clients, but not to the general public other than the data that gets printed in books such as this one... History and Evolution of Software Metrics

Types of Metrics

We understand that Metrics is a form of communication to the people on what the organization care for. The metrics are organization dependent as each organization will have different strategy and goals but they all care for few things which are common. In other words Metrics can be defined in the following representation as it acts on the voice of customer, voice of the businesses and the voice of the processes which enables the organization to improve its quality of the product/process. A business metric may have a number of managerial metrics that in turn will have a set of operational metrics... types of metrics

Software Measurement and Measurement Analysis

Software measurement is a qualified attribute a characteristic of a software product or the software process. It is a discipline within software engineering. The content of a software measurement is defined and governed by ISO 15939 (software measurement process). The use of measurement in the software life cycle requires the development and use of software metrics, which are standardized through the use of defined units of measures... software measurement and measurement analysis

Some Statistics

The Six Sigma approach to management uses statistics solely as tools for interpreting and clarifying data. Data is not information. You need to understand and use statistical data and respect its value. Statistics and statistical tools are essential to Six Sigma. But Six Sigma practitioners also use computers and statistical software to take advantage of knowledge and speed the improvement process. You do not need to spend exorbitant amounts of time reviewing stats. With the systems and software available, you’ll have the critical formulas and equations at your fingertips so you can let technology and training work together to yield results. Your implementation partner usually provides such achieving six-sigma performance systems and processes that are as perfect as possible, functioning at their highest performance level... some statistics

Fundamentals of Measurement Theory

This chapter discusses the fundamentals of measurement theory. We outline the relationships among theoretical concepts, definitions, and measurement, and describe some basic measures that are used frequently. It is important to distinguish the levels of the conceptualization process, from abstract concepts, to definitions that are used operationally, to actual measurements. Depending on the concept and the operational definitions derived from it, different levels of measurement may be applied: normal scale, ordinal scale, interval scale, and ratio scale. It is also beneficial to spell out the explicit differences among some basic measures such as ratio, proportion, percentage, and rate. Significant amounts of wasted effort and resources can be avoided if these fundamental measurements are well understood. We then focus on measurement quality. We discuss the most important issues in measurement quality, namely, reliability and validity, and their relationships with measurement error. We then discuss the role of correlation in observational studies and the criteria for causality.... fundamentals of measurement theory

Testing Concepts and Testing Tools

Software testing is a process of verifying and validating software application to ensure that it meets the business, technical and functionalrequirements. A testing process requires accurate planning and preparation before doing the actual testing. According to Hertzel, "Testing is the process of establishing confidence that a program does what it is supposed to do" and Mr. Glenford Myers define software testing, in his boos, "The Art of Software Testing'as "Testing is the process of executing a program with the intent of finding errors"... testing concepts and testing tools

Reliability and Quality Management Models

With the advent of the computer age, computers, as well as the software running on them, are playing a vital role in our daily lives. There is no environmental constraint for software to operate as long as the hardware processor it runs on can operate. Furthermore, software has no shape, color, material, mass. It cannot be seen or touched, but it has a physical existence and is cruical to system functionality... reliability and quality management models

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Review Questions
  • 1. What is metrics? Write down its importance?
  • 2. Explain the types of metrics in detail?
  • 3. What are the attributes of good metrics?
  • 4. Explain biefly about Evolution of the software industry and Evolution of software measurements?
  • 5. What is Counting Reusable Code?
  • 6. What is measurement?
  • 7. Explain in detial about Goal/Question/Metrics?
  • 8. Explain the classification of metrics?
  • 9. What is the prupose of performance metrics?
  • 10. Explain in detail about Measurement System Planning?
  • 11. How will you implement the measurement process?
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