Excel: Principal Component Analysis (PCA)

Learning PCA with Excel A student in Learning Tree’s Course 195, Power Excel: Analyzing Data to Make Business Decisions, asked “can you do Principal Component Analysis using Excel?” The answer that popped into my head was, “sure, but why would you want to?” If all you want are the results, you’re much better off using […]
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Targeting Your Recommendation for the Business Case

“The secret is to know your customer. Segment your target as tightly as possible. Determine exactly who your customers are, both demographically and psychographically. Reaching anyone else is waste.”   —Robert Grede There Are Many Criteria for Prioritization To prioritize your solutions for acceptance, we must understand our stakeholders in detail. Three criteria are risk, costs […]
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The #1 Information Gathering Technique: The Requirements Workshop

Requirements workshop are a highly-effective technique, bringing users and developers together for a collaborative session. These meetings are designed to help groups overcome obstacles in gathering high-quality requirements. Workshops are best led by a skilled facilitator, and assisted by a scribe to document the business requirements discovered. What do you think a good requirements workshop […]
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Requirements Management: A Key to Project Success

What is Requirements Management? “Requirements Management is a systematic approach to finding, documenting, organizing and tracking the changing requirements of a system.”  —Rational Software Corporation (Rational Unified Process [RUP]) Why Requirements Management? Requirements Management ensures that all customer needs are met and provides evidence that the work was performed and performed correctly. The Requirements Management […]
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Requirements Elicitation

“Requirements engineering is primarily a communication, not technical, activity. Communication problems can begin early on if project participants have different ideas of exactly what ‘requirements’ are.”   – Karl Wiegers Do you agree or disagree with this quote? Why? Why not? What is Requirements Elicitation? Definition: the capture of user expectations and stakeholder constraints; the process […]
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