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Estimation: from waterfall to agileMikkel Bo Hansen, Strategic Client Manager
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Agenda● Who is Adapt?● Why agile?● Estimation● Results● Where is the Client?● Questions
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Who is
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is a digital agency that unites business understanding, design and technology
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● We create solid results for leading international brands (since 1998)
● Experience with launching 2000+ digital solutions
● 80+ passionate employees
● We unite business understanding, design and technology
● You are not just another project. You are a part of a team.
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Offices in Copenhagen, Kaunas, Vilnius, Barcelona & Boston
LOCATIONS
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Strategy, insights & design
Web
Business analysis
User Experience
User surveys
Visual identity / design
Go-to-market strategy
Concept
Mobile strategy
Developing apps for:Business
PromotionsSocial media
Games
IOS, Android, Windows
Usability testing
Think-aloud-tests
Focus groups
Concept testing
Eye tracking
Brand perception
Card sorting
Personas
MobileE-commerce
SERVICES
Complete e-commerce platforms
Integration (ERP, CRM, PIM)
Omni channel
Personalization
Customer engagement
Corporate sites
Campaign sites
Intranet
Extranet
Backend systems
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Mikkel Bo HansenStrategic Client ManagerMail: [email protected]
● Copenhagen Business School
● Cand.Merc.dat● (+DTU 2 years)
● PHP programmer (not drupal)● Specialised in…
○ Agile Methods○ UX
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Why did we go agile
• We’ve tripled both in company size and average project size over the last three years
• From our own developed Perl platform to developing on a global platform that is moving all the time
• Agile methods has become acknowledged as the optimal methodfor software development.
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Design
Specification
Implementing
Integration
Test
Installation
Maintenance
3-6 months
Waterfall approach
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Why agile?
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SCRUM Kanban XP LEAN
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anno2001
Individuals and interactions
over processes and tools
Working software over comprehensive documentation
Customer collaboration
over contract negotiationResponding to change
over following a plan
The Manifesto
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Design
Specification
Implementing
Integration
Test
Installation
Maintenance
2-4 weeks
The Iterative Model
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Build what you need
Never used
Always
Often
Sometimes
Rarely
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Create the product that the user needs. And do it fast!
Test - Build - Adjust
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User Stories
Condition
I must be able to change my email
I need to see a sorted list of products
I must be able to create a ticket to the
system admins
I must be able to register a bug
Perspective
As an editor
As a new user
As a teacher
As a registered customer
Value Statement
So that I am always updated with the
latest info
So that I don’t need to contact an
administrator
So that I don’t need to spend time filling out all information every
time.
As a <type of user>, I want <some goal>, so that <some reason>
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As a <type of user>, I want <some goal> so that <reason>.
User Story
Backlog
The Backlog
Sprint
2-4 weeks
ProductOwner Scrum
Master
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EstimationFortune telling
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We tend to break down tasks and estimate the subtasks when we have the least knowledge!
Time
Unce
rtain
ty+
-
- Task Breakdown- Estimating
Time - Risk - Knowledge
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Scope Buffer
How can I know something that I don’t?!You can’t!!! But you can know that you don’t know it! …. and you can accept it
User Story 1 User Story 2 User Story 3 User Story 7User Story 4 User Story 5 User Story 6
Scope BufferUser Story 1 User Story 2 User Story 3 User Story 7User Story 4 User Story 5 User Story 6
Total Budget
…. and THEN make it work for you!
Scope BufferUser Story 1 User Story 2 User Story 3 User Story 7User Story 4 User Story 5 User Story 6
Tim
e
Know what you don’t know
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Story points vs time
● “How complicated is the task compared to the other task”
● It is way easier for the human brain to compare two elements than describe an isolated element
● Gives more valid estimates
How to handle what you don’t know?
So how long will it take to do this?
I don’t know….150-250 hoursfrom what i know now
Ok so 150 hours !!! !!
VS
● The value of the Story Points will be variable through the project. (only a problem if you forget it!)
Story Points
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Which one will take the longest time?? How long will it take to assemble?(No, we don’t have the manual)?
x4
x16x32
x8
x2
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The great guessing game!
So we have the user story [...]
5
8
5
3
13
We need to make a lot of customisation and create our own modules
But there are some good modules that can solve 95% of the wishes out of the box.
5
8
8
5
8
8 it is!
Planning Poker
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63 hours
Backlog
The Backlog
81224415
8218158
1321885
13
813482
33 SP
Story Points
= 1,9Velocity
Budget: 150 hours / 1,9 = 79 SP
Business value
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Results
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Accurate estimation
• When estimating tasks at sprint startup we bring our learnings from the project so far into consideration
• When doing planning poker as a team we support knowledge sharing. This also makes the estimates more precise since we commit to the story point as a team.
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But there’s always a but
Implementing agile methods is hard work.• Get the customer on board• Some customers are simply not ready for agile• On smaller projects it can be difficult to implement
- Not enough time to learn
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No two organisations are the same!
Customize!
One slide to rule them all
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Where is the customer???
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Right in the middle
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Knowledge is neededAs a <type of user>, I want <some goal> so that <reason>.
User Story
Backlog
Sprint
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Role of the customer
• Adding business value
• Close relation to Product Owner (maybe even be the product owner)• Sorting the Backlog• Testing
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Do you have any questions?
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Upcoming events
• 18. November 2015: “Kom til tops i Google med Søgemaskineoptimering”
• 27. Januar 2016: “Optimer din forretning med fokus på konvertering”
• Hvis du ønsker at høre mere om vores kommende events kan du tilmelde dig vores nyhedsbrev på adapt.dk eller efterlade dit visitkort
• Hjælp os med at blive bedre. I vil efter præsentationen modtage en anmodning om at give feedback på præsentationen
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Mikkel Bo HansenStrategic Client ManagerMail: [email protected]