By Mike Cohn
<h3>Praise for Agile Estimating and Planning </h3>
"Traditional, deterministic methods to making plans and estimating easily don't minimize it at the slippery slopes of today's dynamic, change-driven initiatives. Mike Cohn's leap forward booklet offers us not just the philosophy, but additionally the tips and a confirmed set of instruments that we have to achieve making plans, estimating, and scheduling tasks with a excessive uncertainty issue. whilst, the writer by no means loses sight of the necessity to carry enterprise price to the buyer each one step of the way."
—Doug DeCarlo, writer of eXtreme undertaking administration: utilizing management, rules and instruments to carry price within the Face of Volatility (Jossey-Bass, 2004)
"We know the way to construct predictive plans and deal with them. yet development plans that basically estimate the longer term after which embody swap, problem such a lot of our education and abilities. In Agile Estimating and Planning , Mike Cohn once more fills a gap within the Agile practices, this time by way of displaying us a potential method of Agile estimating and making plans. Mike delves into the nooks and crannies of the topic and anticipates the various questions and nuances of this subject. scholars of Agile tactics will realize that this ebook is actually approximately agility, bridging some of the practices among Scrum and ExtremeProgramming."
—Ken Schwaber, Scrum evangelist, Agile Alliance cofounder, and signatory to the Agile Manifesto
"In Agile Estimating and Planning , Mike Cohn has, for the 1st time, introduced jointly such a lot every little thing that the Agile group has realized in regards to the topic. The e-book is obvious, good geared up, and a delightful and worthwhile learn. It is going into all of the worthwhile aspect, and even as retains the reader's burden low. we will dig in as deeply as we have to, with out an excessive amount of element ahead of we'd like it. The ebook rather brings jointly every little thing we have now discovered approximately Agile estimation and making plans over the last decade. it's going to serve its readers well."
—Ron Jeffries, www.XProgramming.com, writer of Extreme Programming put in (Addison-Wesley, 2001) and Extreme Programming Adventures in C# (Microsoft Press, 2004)
" Agile Estimating and Planning presents a view of making plans that's balanced among thought and perform, and it's supported through sufficient concrete reports to lend it credibility. I fairly just like the quote 'planning is a quest for value.' It issues to a brand new, extra confident perspective towards making plans that is going past the 'necessary evil' view that I occasionally hold."
—Kent Beck, writer of Extreme Programming defined, moment Edition (Addison-Wesley, 2005)
"Up-front making plans continues to be the main severe a part of software program improvement. Agile software program improvement calls for Agile making plans thoughts. This ebook indicates you the way to hire Agile making plans in a succinct, functional, and easy-to-follow manner."
—Adam Rogers, final software program
"Mike does a good follow-up to User tales utilized by carrying on with to supply Agile groups with the sensible techniques and strategies to extend agility. during this ebook, Mike presents time-proven and well-tested tools for being profitable with the a number of degrees of making plans and estimating required by means of Agile. This e-book is the 1st to aspect the disciplines of Agile estimating and making plans, in ways in which rival my 1980 civil engineering texts on CPM making plans and Estimating."
—Ryan Martens, President and Founder, Rally software program improvement Corporation
"With perception and readability, Mike Cohn indicates how one can successfully produce software program of excessive company price. With Agile estimation and making plans, you concentration attempt the place it quite counts, and proceed to take action as conditions change."
—Rick Mugridge, Rimu learn Ltd., and lead writer, Fit for constructing Software (Prentice corridor, 2005)
"Finally! The groundbreaking ebook my consumers were clamoring for! Agile Estimating and Planning demystifies the method of defining, riding, and supplying nice software program that issues to the company. Mike's readability, perception, and adventure bounce out via each web page of this ebook, supplying an procedure that's proper and instantly valuable to all contributors of an Agile project."
—Kert D. Peterson, President, company Agile crew, LLC
"This isn't another established ebook on Agile software program improvement. Agile Estimating and Planning fills a niche left by means of lots of the different books and offers you very important, sensible, down-to-earth recommendations had to be profitable on Agile improvement projects."
—Steve Tockey, crucial advisor, Construx software program
"Estimation, making plans, and monitoring is a trinity. if you happen to don't do one among them, you don't want the opposite . This ebook offers very functional wisdom for estimation, making plans, prioritizing, and monitoring. it may be obligatory material for undertaking managers and their groups, whether they hesitate to name themselves Agile."
—Niels Malotaux, undertaking Coach
"Effective making plans is a vital, yet usually misunderstood, a part of any profitable Agile venture. With Agile Estimating and Planning , Mike Cohn has given us a definitive consultant to quite a lot of Agile estimating and making plans practices. together with his transparent and useful type, Mike not just explains tips on how to effectively start making plans an Agile undertaking, but additionally offers a wealth of assistance and suggestion for making improvements to any team's Agile making plans technique. This booklet is a must-read for managers, coaches, and contributors of Agile teams."
—Paul Hodgetts, Agile trainer and CEO, Agile common sense
"Mike's writing kind captures the essence of agility-just the correct quantity of data to convey readability to the reader. This booklet offers a superb advisor for all Agile practitioners, either professional and novice."
—Robert Holler, President and CEO, VersionOne, LLC
"It is as though Mike took the distilled wisdom concerning making plans and estimation of an outstanding Agile developer (which he's) and laid out all he is familiar with in an simply comprehensible demeanour. extra importantly, he has a superb mixture of strategies with real-world examples entire off with a case research so the reader can relate the data to their very own state of affairs. until you're already a professional Agile planner and estimator, this e-book is for you."
—Alan Shalloway, CEO, Senior advisor, internet targets, and coauthor of Design styles defined, moment Edition (Addison-Wesley, 2005)
"Although I had lots of XP adventure earlier than testing Mike Cohn's Agile making plans practices, the effectiveness of the sensible and confirmed thoughts during this ebook blew me away! The ebook acknowledges that individuals, no longer instruments or techniques, produce nice software program, and that groups gain so much by way of studying approximately their undertaking and their product as they cross. The examples within the publication are concrete, simply grasped, and easily reek of good judgment. This publication might help groups (whether Agile or now not) bring extra price, extra frequently, and feature enjoyable doing it! no matter if you're a supervisor or a programmer, a tester or a CEO, a part of an Agile workforce, or simply trying to find the way to stamp out chaos and demise marches, this booklet will advisor you."
—Lisa Crispin, coauthor of Testing severe Programming (Addison-Wesley, 2003)
"Mike Cohn does an outstanding activity demonstrating how an Agile process can tackle problems with threat and uncertainty so that it will offer extra significant estimates and plans for software program projects."
—Todd Little, Senior improvement supervisor, Landmark pictures
"Mike Cohn explains his method of Agile making plans, and exhibits how 'critical chain' considering can be utilized to successfully buffer either agenda and lines. As with User tales Applied, this publication is simple to learn and level-headed in real-world experience."
—Bill Wake, writer of Refactoring Workbook (Addison-Wesley, 2003)
"Mike brings this e-book to existence with real-world examples that aid show how and why an Agile procedure works for making plans software program improvement initiatives. This ebook has nice breadth, starting from the basics of unlock making plans to complex issues resembling monetary facets of prioritization. i will see this ebook turning into a useful reduction to Agile undertaking managers, because it offers a wealth of functional assistance comparable to how one can set generation size and boot-strap pace, and converse progress."
—Rachel Davies, self sustaining advisor
"There has been a necessity for an outstanding, pragmatic publication at the long term imaginative and prescient of an Agile venture for undertaking managers. Agile Estimating and Planning addresses this desire. It's now not theory—this ebook includes project-tested practices which were used on Agile tasks. As Mike's try matters, we utilized those practices to the improvement of games (one of the main unpredictable undertaking environments you could think) with success."
—Clinton Keith, leader Technical Officer, excessive Moon Studios
"When I first heard Mike Cohn communicate, i used to be inspired via an extraordinary mixture of characteristics: deep event and realizing in smooth iterative and Agile equipment; a force to discover and validate effortless, high-impact options past the established order of conventional (usually useless) equipment; and the eagerness and readability of a normal trainer. those traits are obvious during this terrific, functional consultant. I estimate you won't be disenchanted in learning and using his advice."
—Craig Larman, leader Scientist, Valtech, and writer of Applying UML and styles, 3rd Edition (Prentice corridor, 2005) and Agile and Iterative Development (Addison-Wesley, 2004)
" Agile Estimating and Planning is a severe consultant on how you can effectively offer price to consumers of IT companies. This ebook is full of transparent ...
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Additional resources for Agile Estimating and Planning
First is the product owner, who is responsible for the product vision and for prioritizing features the team will work on. Next is the customer, who is the 31 32 | Chapter 3 An Agile Approach person paying for the project or purchasing the software once it’s available. Users, developers, and managers are other roles on an agile project. Agile teams work in short, timeboxed iterations that deliver a working product by the end of each iteration.
If a team has learned something that is likely to affect the accuracy or value of the plan, they adjust the plan. The accuracy of the plan may be affected by the team’s discovering they have over- or underestimated their rate of progress. Or they may discover that a certain type of work is more time consuming than previously thought. The value of the plan may be altered by knowledge the product owner has gained about the desires of likely users. Perhaps, based on feedback from seeing the software from an earlier iteration, the product owner has learned that users would like to see more of one type of feature and that they don’t value another feature as much as was previously thought.
After the requirements are written, the estimate might still be off +/- 15% in either direction. So an estimate of 20 weeks means work that takes 17 to 23 weeks. 1 The cone of uncertainty narrows as the project progresses. The Project Management Institute (PMI) presents a similar view on the progressive accuracy of estimates. However, rather than viewing the cone of uncertainty as symmetric, PMI views it as asymmetric. PMI suggests the creation of an initial order of magnitude estimate, which ranges from +75% to –25%.