drupalcon new orleans 2016 - the art of #noestimates for optimizing predictability and profitability...
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The art of #NoEstimates and optimizing predictability and profitability of Drupal projects
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Piyush Poddar
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Estimations
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What is an Estimation?
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What is an Estimation?
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What is a good estimate?
By definition, a good estimate is within 25% of the actual result 75% of the time.
(Conte, Dunsmore, and Shen 1986)
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Industry Statistics
Adapted from Standish Group’s Chaos report 2015.
The Modern Resolution ( OnTime, OnBudget, with a satisfactory result) of all software projects from FY2011 - 2015 within the new CHAOS database.
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Industry Statistics
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Are estimates reliable?
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What’s wrong with Estimations?
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What’s wrong with Estimations?
Essential Complication
Apparent complications.How hard a problem is on its own
Accidental complication
Complications that creep in because :- We suck at our jobs- Organisational structures- How we code etc..
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What’s wrong with Estimations?
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Getting better at estimations or ?
Analogy-based estimation ANGEL, Weighted Micro Function PointsWBS-based (bottom up) estimation
Project management software, company specific activity templates
Parametric models COCOMO, SLIM, SEER-SEM, TruePlanning for SoftwareSize-based estimation models Function Point Analysis, Use Case Analysis, SSU (Software Size Unit), Story
points-based estimation in Agile software developmentGroup estimation Planning Poker, Wideband Delphi
Mechanical combination Average of an analogy-based and a Work breakdown structure-based effort estimate
Judgmental combination Expert judgment based on estimates from a parametric model and group estimation.
Source : Wikipedia
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#NoEstimates
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#NoEstimates Principals
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Vasco Duarte’s #NoEstimates Approach
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Through put over Story Points
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#NoEstimates Approach
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#NoEstimates Approach
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#NoEstimates Approach
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#NoEstimates Approach
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#NoEstimates
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#NoEstimates
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#NoEstimates
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#NoEstimates
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#NoEstimates
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#NoEstimates
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#NoEstimates Success Stories
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#NoEstimates Movement
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The #NoEstimates Leaders & Evangelists
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#NoEstimates Alternate Views
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No Estimates Book
http://noestimatesbook.com/
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Takeaways
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Questions?
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So How Was It? - Tell Us What You Think
Thanks!