For some years software engineers have been attempting to develop useful prediction systems to estimate such attributes as the effort to develop a piece of software and the likely number of defects. Typically, prediction systems are proposed and then subjected to empirical evaluation. Claims are then made with regard to the quality of the prediction systems. A wide variety of prediction quality...

Many cost estimation models have been proposed over the last three decades. In this study, we investigate fuzzy ID3 decision tree as a method for software effort estimation. Fuzzy ID software effort estimation model is designed by incorporating the principles of ID3 decision tree and the concepts of the fuzzy settheoretic; permitting the model to handle uncertain and imprecise data when present...

Software cost estimation nowadays plays a more and more important role in practical projects since modern software projects become more and more complex as well as diverse. To help estimate software development cost accurately, this research does a systematic analysis of the similarity distances in analogy-based software cost estimation and based on this, a new non-orthogonal space distance (No...

Estimating software development cost with high accuracy is still a largely unsolved problem. Consequently, there is ongoing, high activity in this research field; a large number of different estimation models ranging from mathematical functions to arbitrary function approximators (AFA’s) have been proposed over the last 20+ years. Unfortunately, the studies do not converge with respect to the q...

Accurately estimating software effort is probably the biggest challenge facing software developers. Estimates done at the proposal stage has high degree of inaccuracy, where requirements for the scope are not defined to the lowest details, but as the project progresses and requirements are elaborated, accuracy and confidence on estimate increases. It is important to choose the right software ef...

Accurate software development effort estimation is critical to the success of software projects. Although many techniques and algorithmic models have been developed and implemented by practitioners, accurate software development effort prediction is still a challenging endeavor in the field of software engineering, especially in handling uncertain and imprecise inputs and collinear characterist...

Özet. Yazılım sektöründe hatalı efor kestirimleri maliyeti önemli ölçüde arttırır ve projelerin başarısız olmasına yol açabilir. Belirgin maddi kayıplara ek olarak, ürünü hem satın alan hem de üreten organizasyonlar, çalışan demotivasyonu ve benzeri organizasyonel sorunlar yüzünden negatif etkilenirler. Yazılım kestirim uzmanları kestirim doğruluğunu arttırmak için birçok yöntem geliştirmiştir....

Software effort estimation is an important process of system development life cycle, as it may affect the success of software projects if project designers estimate the projects inaccurately. In the past of few decades, various effort prediction models have been proposed by academicians and practitioners. Traditional estimation techniques include Lines of Codes (LOC), Function Point Analysis (F...

We investigate the group processes involved in effort estimation in the context of Project Management. The groups considered are formed by “experts” (people with specific technical competence) and “non-experts” (people with less specific technical competence, usually experts in related fields), because the typically complementary bias of the two classes contribute to a more balanced estimate. I...

Accurate cost estimation helps to complete project within time and budget. Many estimation models have been proposed over the last 30 years. This paper provides a detail overview of existing software cost estimation models and techniques. Cost estimation models are basically of two types: algorithmic and non-algorithmic. It also includes the recent developed techniques for software cost estimat...