Software Effort Estimation: Supaya Ga Ngarang Lagi, Ngitung Waktu dan Biaya Pengembangan Software!

Summary

This video script covers the calculation and estimation of software project complexity, focusing on factors like transaction types, Use Case Points (UCP), and complexity factors (TCF and EF). The lecturer explains how to assess project difficulty, using tools like the Yuskes Matrix and activity diagrams for visualizing processes. Time estimation is also discussed, emphasizing the importance of team size and work hours to meet project deadlines. The goal is to equip viewers with practical methods for determining project scope, resources, and timelines, leveraging standard formulas and factors.

Takeaways

• 😀 The script discusses calculating transaction complexity by considering various factors like account numbers, amounts, and how they are processed in the system.
• 😀 It emphasizes the importance of analyzing transaction flows, such as sequence diagrams and activity diagrams, to better understand project complexity.
• 😀 The Yuskes matrix is introduced as a tool for calculating complexity factors based on technical factors, environment, and methodology familiarity.
• 😀 The script explains how to calculate the overall complexity of a project by using a formula involving UCP (Use Case Points), TCF (Technical Complexity Factor), and ECV (Environmental Complexity Value).
• 😀 It highlights the role of human factors in project complexity, such as developer experience, the programming language used, and the familiarity with methodologies like Waterfall.
• 😀 A focus is placed on the number of transactions involved in a process, explaining how the simplicity or complexity of a transaction can affect project estimates.
• 😀 The speaker suggests using standard values, such as those provided by SPARKY, to calculate project effort in a straightforward manner without overcomplicating the process.
• 😀 The script mentions how to calculate project timelines, factoring in the number of people working and the number of hours per day, including variations for critical projects.
• 😀 It introduces how the Yuskes matrix can adjust the complexity based on the inputs, like actor input or transaction number, and how these affect the final estimate.
• 😀 The script also explains the method of determining the number of people needed for a project and how the final work duration (e.g., months) can be estimated based on project complexity.

Q & A

What is the main focus of the discussion in the script?

The main focus of the script is on project management, specifically how to calculate the complexity, effort, and resources needed for a software development project. The speaker explains different factors that influence these calculations, such as transactions, human factors, and methodologies used.

What are the steps mentioned for calculating the total transactions in a system?

The speaker describes three steps for calculating the total transactions: 1) The first transaction is when the user interacts with the system, 2) The second transaction involves entering the account number, and 3) The third transaction occurs when the user inputs the amount of money. These steps are processed and counted as transactions in the system.

How does the speaker describe the role of complexity factors in project management?

Complexity factors are crucial for determining the overall effort required for a project. The speaker mentions technical factors, such as the programming language used, the development methodology (e.g., Waterfall vs. Agile), and the team's familiarity with the project. These factors influence the project's complexity, and the speaker uses specific formulas to account for them.

What is the Yuskes Matrix, and how is it used in project management?

The Yuskes Matrix is a tool used to calculate the complexity of a project by evaluating different metrics. It helps determine the effort and resources needed based on factors like transaction complexity and human involvement. The speaker explains how the matrix can be used to assess different elements of a project, such as user interactions and the technical environment.

What are the different ways the complexity factor can be evaluated?

Complexity can be evaluated through a combination of technical, environmental, and human factors. The speaker highlights factors such as the programming language, the project's familiarity with the team, and external influences like the development methodology. These elements contribute to the overall complexity score, which is factored into the final calculation.

How are project timelines and team size determined in the script?

The project timeline and required team size are determined by evaluating the complexity of the project. For example, the speaker discusses calculating the total time in months based on the project's complexity, team size, and working hours. They also mention adjusting the number of people based on critical or normal complexity levels.

What does the speaker mean by 'normal' and 'critical' projects, and how does this affect the calculations?

A 'normal' project is one that falls within typical complexity ranges, while a 'critical' project has higher complexity and requires more resources. The speaker explains that critical projects typically need more team members or a longer duration to complete. These classifications affect how the project is calculated, with normal projects requiring less time and fewer resources.

Why does the speaker round up certain values in the calculations?

The speaker rounds up values to simplify the calculation process and ensure that the project timeline and resources are planned conservatively. For example, rounding up months or team members helps to avoid underestimating the resources needed and ensures the project is completed within the set timeframe.

How does the number of working hours per day influence the project calculation?

The number of working hours per day influences how quickly a project can be completed. The speaker gives an example where increasing the daily working hours from 8 to 10 hours reduces the number of people needed for the project. This reflects the trade-off between time and team size when calculating project effort.

What is the final outcome of the calculation discussed in the script?

The final outcome of the calculation provides an estimate of the project's required duration and team size. The speaker explains that after considering all factors, including complexity and human resources, the project will require five people over a span of five months. This outcome is used for planning and managing project timelines effectively.