Upload
piyush-poddar
View
211
Download
2
Embed Size (px)
Citation preview
The art of #NoEstimates and optimizing predictability and profitability of Drupal projects
Piyush Poddar
●
●
●
●
Estimations
What is an Estimation?
What is an Estimation?
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)
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.
Industry Statistics
Are estimates reliable?
What’s wrong with Estimations?
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..
What’s wrong with Estimations?
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
#NoEstimates
#NoEstimates Principals
Vasco Duarte’s #NoEstimates Approach
Through put over Story Points
#NoEstimates Approach
#NoEstimates Approach
#NoEstimates Approach
#NoEstimates Approach
#NoEstimates
#NoEstimates
#NoEstimates
#NoEstimates
#NoEstimates
#NoEstimates
#NoEstimates Success Stories
#NoEstimates Movement
The #NoEstimates Leaders & Evangelists
#NoEstimates Alternate Views
●●●
●
●●●●●
●●●
No Estimates Book
http://noestimatesbook.com/
Takeaways
Questions?
So How Was It? - Tell Us What You Think
Thanks!