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What are the Tools and Techniques for Activity Resource Estimating?
Anandvijayakumar
The tools & techniques that can be used for activity resource estimation are:
• Alternative analysis - Alternative analysis is all about exploring alternative solutions to a problem. In the case of estimating resource requirements, you will need to consider alternatives available for resources needed for some schedule activities. For example, you might need to decide whether you want to buy or develop a tool needed to perform an activity, what types of machines (for example, Windows or Linux) to use, which computers to use to do the development, or what level of skills is needed etc.
• Bottom-up estimating - You might discover that it is rather complex to estimate resources for a given schedule activity. If the problem is inherent to the activity, it might be helpful in certain cases to decompose the activity into smaller components for the purpose of resource estimating and, then estimate the resource for each component, and then aggregate the resources to get an estimate for the whole activity. In aggregation, you must consider the possible relationships (overlaps and other dependencies) among different components of the activity so you don't double-count the resources or consider a seamless summation of the smaller component estimates.
• Expert judgment - Expert judgment can be used to assess the input and determine the output of the resource estimating process.
• Published estimating data - Information published by various vendors, such as costs for resources, can also be useful in estimating the resources.
• Project management software - Depending upon the sophistication of the resource requirements and the capabilities of the available features, project management software might be useful in estimating and managing the resources. It can also be used to create resource breakdown structures.
You can use a combination of these tools and techniques to generate the output of the resource estimating process. But, at the end of the day, it is the project manager and his capabilities that determine how accurately the resource estimation happens.
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The tools & techniques that can be used for activity resource estimation are: • Alternative analysis - Alternative analysis is all about exploring alternative solutions to a problem. In the case of estimating resource requirements, you will need to consider alternatives available for resources needed for some schedule activities. For example, you might need to decide whether you want to buy or develop a tool needed to perform an activity, what types of machines (for example, Windows or Linux) to use, which computers to use to do the development, or what level of skills is needed etc. • Bottom-up estimating - You might discover that it is rather complex to estimate resources for a given schedule activity. If the problem is inherent to the activity, it might be helpful in certain cases to decompose the activity into smaller components for the purpose of resource estimating and, then estimate the resource for each component, and then aggregate the resources to get an estimate for the whole activity. In aggregation, you must consider the possible relationships (overlaps and other dependencies) among different components of the activity so you don't double-count the resources or consider a seamless summation of the smaller component estimates. • Expert judgment - Expert judgment can be used to assess the input and determine the output of the resource estimating process. • Published estimating data - Information published by various vendors, such as costs for resources, can also be useful in estimating the resources. • Project management software - Depending upon the sophistication of the resource requirements and the capabilities of the available features, project management software might be useful in estimating and managing the resources. It can also be used to create resource breakdown structures.
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