Classification of software metrics in software engineering. Software process and project metrics linkedin slideshare. Software engineering basics by tutorials point india ltd. Feb 04, 2016 metrics in the process and project domains process indicators enable a software engineering organization to gain insight into the efficacy of an existing process i. The use of bang measure could apply when reengineering either complete or piecewise is being considered, as discussed in maintenance of operational. The other set of metrics we would live to consider are known as information flow metrics. Sizeoriented metrics are used to analyze the quality of software with the help of a kloc quantifier. Metrics for the design model architectural metrics provide an. Software engineering metrics and models benjamincummings series in software engineering. For example, the inprocess quality metrics of a project are both process metrics and project metrics. A program is considered to be series of tokens and if we count the number of tokens, some interesting results may emerge.
Software quality metrics overview software metrics can be classified into three categories. Motivations for using metrics in software engineering. Computers and software are just as critical to engineering as a cnc machine is to your production capability. Product metrics describe the characteristics of the product such as size, complexity, design features, performance, and quality level. Oct 11, 2017 project metrics in software engineering in hindi project metrics in software engineering. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect.
Sep 16, 2017 a software metric is a measure of software characteristics which are quantifiable or countable. A line of code is any line of program text that is not a. Tools for anyone involved in software engineering to understand varying aspects of the. One principle of continuous delivery is an emphasis on always keeping software green. The processes which comes under the software development project needs to be measured in order to get. Project and process metrics in software engineering.
Metric classification software metrics can be divided into two categories. Function point is derived by using a relationship between the complexity of software and the information domain value. Designer will use ood because it is a faster development process, module based architecture, contains high reusable. Mar 05, 2020 these metrics enable management to understand the quality of the software, the productivity of the development team, code complexity, customer satisfaction, agile process, and operational metrics. Permission to reproduce or copy all or parts of this material for nonprofit use is granted on the condition that the author and source are credited. Strategies of software testing tutorial to learn strategies of software testing in simple, easy and step by step way with syntax, examples and notes. Within the software development process, many metrics are that are all connected. Metrics for an engineering manager in his first 90 days. These characteristics can be used to improve the development and maintenance activities of the software.
Ppt software quality measurement and metrics powerpoint. Software quality metrics overview ppt video online download. An overview of object oriented design metrics 10 2 object oriented design object oriented design is concerned with developing an objectoriented module of a software system to apply the identified requirements. Chapter 2 discusses the process of requirement engineering and requirements management followed by software requirements speci. This power point presentation is of the topic software engineering, it covers the brief information of various software engineering models that are used for developing a. Software consists of documents and programs that contain a collection that has been established to be a part of software engineering procedures. This power point presentation is of the topic software engineering, it covers the brief information of various software engineering models that are used for developing a software product. Describes the characteristics of the product such as size, complexity, design features, performance, and quality level. Used to minimize the development schedule used to assess product quality on. Kan has been a faculty member of the master of science in software engineering program at the university of minnesota since 1998. This ppt covers the following topics software quality a framework for product. These metrics enable management to understand the quality of the software, the productivity of the development team, code complexity, customer satisfaction, agile process, and operational metrics.
He is certified by the american society for quality as a quality engineer, a reliability engineer, and a quality manager, and by the project management institute as a project management professional. Software engineering assignment help, explain about token count software metrics, q. Software metrics deals with the measurement of software product and software product development process and it guides and evaluating models and tools ma et al. In software engineering metrics and models by conte et al. Kloc is an abbreviation for kilo lines of code that are used to determine bugs, errors, and costs per lines. Software metrics are valuable for many reasons, including measuring software performance, planning work items, measuring productivity, and many other uses. The basis of information flow metrics is found upon the following concept the simplest system consists of the component, and it is the work that these components do and how they are fitted together that identify the complexity of the system. Software metrics is a standard of measure that contains many activities which involve some degree of measurement. Measurement measurement is fundamental to any engineering discipline. Jan 23, 2019 for longevity and scalability, software maintenance plays a crucial part in the entire software development life cycle. Improve product quality and process performance by identifying roadblocks and inefficiencies. Moreover, the aim of software engineering is to create a suitable work that construct programs of high quality. Software engineering metrics and models benjamincummings series in software engineering by samuel daniel conte author visit amazons samuel daniel conte page.
Function point metrics provide a standardized method for measuring the various functions of a software application. Hi, i changed companies and am now a manager of an engineering department. It modifies and update software applications after delivery to eliminate gaps. The purpose of this level of testing is to expose faults in the interaction between integrated units. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Clipping is a handy way to collect important slides you want to go back to later. Project metrics in software engineering in hindi project metrics in software engineering. A measure of some property of a piece of software or its specifications. Dec 16, 2019 software engineering basics by tutorials point india ltd.
Software for engineering and embedded systemsapplications. Software quality measurement and metrics powerpoint ppt presentation. Test drivers and test stubs are used to assist in integration testing. We can accurately measure some property of software or process. A comparison between five models of software engineering. Advantage of using these process are also discussed. These characteristics can be used to improve the development and maintenance activities of the software project metrics. For longevity and scalability, software maintenance plays a crucial part in the entire software development life cycle. Chapter 3 introduces software process improvements.
Software engineering information flow metrics javatpoint. Metrics ou should know to nderstand our engineering efficiency 10 fixing the source of truth in the first place. What are the key performance indicators for engineering. Software measurement and software metrics in software quality. Even if a metric is not a measurement metrics are functions, while measurements are the numbers obtained by the application of. Examples of integration testing big bang approach, incremental, top down, bottom up, sandwichhybrid, stub, driver.
Apr 29, 2020 software testing metrics improves the efficiency and effectiveness of a software testing process. Software metrics and measures by tutorials point india. Fritz bauer, a german computer scientist, defines software engineering as. Bang measure may be helpful in evaluating a software units value in terms of how much useful function it provides, although there is little evidence in the literature of such application. Increase the speed and reliability of your team by. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Metrics are related to the four functions of management. Basically, as applied to the software product, a software metric measures or quantifies a characteristic of the software. The use of software metrics to provide quantitative checks on software design is also a well established area. The exception class is passed as an argument to the catch construct as type of argument arg. Software engineering data structure metrics javatpoint.
Software testing metrics improves the efficiency and effectiveness of a software testing process. This is possible by collecting quality and productivity data and then analyzing and comparing these data with past averages in order to know whether quality improvements have occurred. The outcome of software engineering is an efficient and reliable software product. Function point metrics, measure functionality from the users point of view, that is, on the basis of what the user requests and receives in return. Metrics and models in software quality engineering, 2nd. For example metrics will be needed at the level of the engineering organization. In chapter 4 software metrics are introduced and di. Integration testing is a level of software testing where individual units are combined and tested as a group.
Within the software development process, there are many metrics that are all related to each. So, we can define software engineering as an engineering branch associated with the development of software product using welldefined scientific principles, methods and procedures. The textbook and the accompanying materials posted on this website are freely available for fair use. Number of errors metric quantitative measure of degree to which a system, component or process possesses a given attribute. In regards to software project cost and underestimation, it is a problem that has not diminished in the last 70 years.
Customer satisfaction engineerings customer, not end user supplier defect rate often the supplier is whoever is supplying specs and info to engineering technical metrics. Size oriented software metrics are derived by normalizing quality andor productivity measures by considering the size of the software that has been produced. Software project success has always been the goal of the industry. Essentially the need for software development and other activities are to process data. Explain size oriented software engineering metrics. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. If a software organization maintains simple records, a table of sizeoriented measures, such as shown in below fig. Explain about token count software metrics, software. Even if a metric is not a measurement metrics are functions, while measurements are the numbers obtained by the application of metrics, often the two terms are used as synonyms. With the manpower and time available, we focused on well known metrics applicable in the mdsf environment. I need suggestions for metrics for my new job as engineering manager. While master is red, it creates a bottleneck for commits, increasing recovery time and delaying development.
No real urgent problems to solve, good team, we do engineer for customers, every request is different, tough to measure. No way to measure property directly or final product does not yet exist for predicting, need a model of relationship of predicted variable with other measurable variables. Integration testing is defined as a type of testing where software modules are integrated logically and tested as a group. My situation was well put by mark in first 90 days. Software quality metrics ppt video online download slideplayer. We certainly cannot claim completeness in this study. A software metric is a measure of software characteristics which are measurable or countable. Ppt software metrics powerpoint presentation free to. Covers topics like introduction to testing, testing templates, difference between verification and validation, strategy of testing etc. Tokens are classified as either operators or operands.
Well now take a closer look at the various types of the two most important categories of metrics project metrics, and process metrics. Three kinds of software quality metrics product metrics describe the characteristics of product size, complexity, design features, performance, and quality level. Quality of the software, different metrics look at different aspects of. J albrecht, is used to measure the functionality delivered by the system, estimate the effort, predict the number of errors, and estimate the number of components in the system. Process is placed at the centre of the triangle connecting three factors product, people, and technology, which have an important influence on software quality and organization. Software metrics help project managers to gain an insight into the efficiency of the software process, project, and product.
Product metrics are used to asses the state of the product, tracking risks and discovering potential problem areas. Now customize the name of a clipboard to store your clips. Software metrics can be classified into three categories. Software engineering tutorial 2 1 the application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software. Using software process metrics, software engineers are able to assess the efficiency of the software process that is performed using the process as a framework. The function point metric, which was proposed by a. A software metric is a standard of measure of a degree to which a software system or process possesses some property. Ppt software metrics powerpoint presentation free to view. This metrics describe the project characteristics and execution. Notes on software metrics eiffel software site search. This type of argument specifies types of exception classes. Metrics will be needed to address the various levels of engineering activity.
The processes which comes under the software development. Software engineering metrics and models benjamincummings. In boehms wellknown book software engineering economics 1981, the loc counting method counts lines as physical lines and includes executable lines, data definitions, and comments. Software metrics are important for many reasons, including measuring software performance, planning work items, measuring productivity, and many other uses. Find all the books, read about the author, and more. Engineering budget is an example of a metric that can be applied at the level of the organization. Metrics in the process and project domains process indicators enable a software engineering organization to gain insight into the efficacy of an existing process i. Software design metrics for object oriented software. Software metrics software engineering definitions measure quantitative indication of extent, amount, dimension, capacity, or size of some attribute of a product or process. Describes the characteristics of the product such as size, complexity, design features, performance, and quality level process metrics.
Software testing metrics or software test measurement is the quantitative indication of extent, capacity, dimension, amount or size of some attribute of a process or product. A software engineer collects measures and develops metrics so that. The software engineering community has proposed over two hundred software metrics. In this video we will learn about the bang metrics of software engineering for any queries please contact email. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
1515 1611 1357 1248 1349 1170 1593 19 1285 582 563 227 519 666 917 368 265 218 579 66 533 725 98 373 792 1194 265 695 1241 1131 726 8