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designing value
designing value?
designing value?something someone is willing to pay something for
designing value?
designing value?choosing beautiful tradeoffs within given constraints
designing value?
designing value?
track value?
usability
usability habitability
https://www.dreamsongs.com/Files/PatternsOfSoftware.pdf
track value?let developers show the value
feedback is key
expose your assumptions
present your assumptions
present
2 hours 20 people
1 man week every iteration
a review is an investment
if there is no feedback, it’s useless
if it does not affect product decisions, it’s useless
present
• presenting • is not • bullet • pointing
presenting is not even slide showing
presenting is story telling
demoing is story showing
as a
I want to
so that
as a user
I want to be able to search in any folder
so that I can find files and folders of interest
I navigate to a folder where I think I have some folders and files of interest.
I just do not know exactly their names.
Would it not be cool to search in place and then continue the navigation?
context I navigate to a folder where I think I have some folders and files of interest.
conflict I just do not know exactly their names.
resolution Would it not be cool to search in place and then continue the navigation?
demoing is story showing
demoing is story showing
(the story behind the user story)
content form
content form
yesterday’s weather
30%
30% 90%
yesterdayWeatherProbabilityWithTopPreviousWENM: topPreviousWENM andTopCurrentENM: topCurrentENM | currentVersions previousClassHistoriesSortedByWENM yesterdayWeatherHits last2VersionsTopHistories last2Versions last2HistoriesSortedByENM x valuesCount previousVersionsTopHistories previousVersionsTopHistoriesNames over | currentVersions := OrderedCollection new. currentVersions addLast: (self allVersionNames at: 1).
yesterdayWeatherHits := 0.
(2 to: self allVersionNames size) do: [: i | self smelly: 'this algorithm is too big and complex'.
previousClassHistoriesSortedByWENM := (self classHistories selectFromReferenceVersionCollection: currentVersions) sortBy: [:a :b | a value getWENM >= b value getWENM]. currentVersions addLast: (self allVersionNames at: i).
previousVersionsTopHistories := OrderedCollection new.
x := previousClassHistoriesSortedByWENM first value getWENM. valuesCount := 0.
previousClassHistoriesSortedByWENM do: [ :each | (each value getWENM ~= x) ifTrue: [ valuesCount := valuesCount + 1. x:= each value getWENM]. (valuesCount < topPreviousWENM) ifTrue: [ previousVersionsTopHistories addLast: each] ].
last2VersionsTopHistories := OrderedCollection new.
last2Versions := OrderedCollection new. last2Versions addLast: (self allVersionNames at: (i-1)). last2Versions addLast: (self allVersionNames at: i). last2HistoriesSortedByENM := (self classHistories selectFromReferenceVersionCollection: last2Versions)
(valuesCount < topPreviousWENM) ifTrue: [ previousVersionsTopHistories addLast: each] ].
last2VersionsTopHistories := OrderedCollection new.
last2Versions := OrderedCollection new. last2Versions addLast: (self allVersionNames at: (i-1)). last2Versions addLast: (self allVersionNames at: i). last2HistoriesSortedByENM := (self classHistories selectFromReferenceVersionCollection: last2Versions) sortBy: [:a :b | a value getWENM >= b value getWENM].
x := last2HistoriesSortedByENM first value getENM. valuesCount := 0. last2HistoriesSortedByENM do: [ :each | (each value getENM ~= x) ifTrue: [ valuesCount := valuesCount + 1. x:= each value getENM]. (valuesCount < topCurrentENM) ifTrue: [ last2VersionsTopHistories addLast: each] ]. previousVersionsTopHistoriesNames := previousVersionsTopHistories collect: [ :each | each value name]. over := false.
last2VersionsTopHistories do: [:each | ((previousVersionsTopHistoriesNames includes: (each value name)) and: [over not]) ifTrue: [ yesterdayWeatherHits := yesterdayWeatherHits + 1. over := true]. ]. ].
^yesterdayWeatherHits/(self size - 1) asFloat.
yesterdayWeatherProbabilityWithTopPreviousWENM: topPreviousWENM andTopCurrentENM: topCurrentENM | currentVersions previousClassHistoriesSortedByWENM yesterdayWeatherHits last2VersionsTopHistories last2Versions last2HistoriesSortedByENM x valuesCount previousVersionsTopHistories previousVersionsTopHistoriesNames over | currentVersions := OrderedCollection new. currentVersions addLast: (self allVersionNames at: 1).
yesterdayWeatherHits := 0.
(2 to: self allVersionNames size) do: [: i | self smelly: 'this algorithm is too big and complex'.
previousClassHistoriesSortedByWENM := (self classHistories selectFromReferenceVersionCollection: currentVersions) sortBy: [:a :b | a value getWENM >= b value getWENM]. currentVersions addLast: (self allVersionNames at: i).
previousVersionsTopHistories := OrderedCollection new.
x := previousClassHistoriesSortedByWENM first value getWENM. valuesCount := 0.
previousClassHistoriesSortedByWENM do: [ :each | (each value getWENM ~= x) ifTrue: [ valuesCount := valuesCount + 1. x:= each value getWENM]. (valuesCount < topPreviousWENM) ifTrue: [ previousVersionsTopHistories addLast: each] ].
last2VersionsTopHistories := OrderedCollection new.
last2Versions := OrderedCollection new. last2Versions addLast: (self allVersionNames at: (i-1)). last2Versions addLast: (self allVersionNames at: i). last2HistoriesSortedByENM := (self classHistories selectFromReferenceVersionCollection: last2Versions)
yesterdayWeatherProbabilityWithTopPreviousWENM: topPreviousWENM andTopCurrentENM: topCurrentENM | currentVersions previousClassHistoriesSortedByWENM yesterdayWeatherHits last2VersionsTopHistories last2Versions last2HistoriesSortedByENM x valuesCount previousVersionsTopHistories previousVersionsTopHistoriesNames over | currentVersions := OrderedCollection new. currentVersions addLast: (self allVersionNames at: 1).
yesterdayWeatherHits := 0.
(2 to: self allVersionNames size) do: [: i | self smelly: 'this algorithm is too big and complex'.
previousClassHistoriesSortedByWENM := (self classHistories selectFromReferenceVersionCollection: currentVersions) sortBy: [:a :b | a value getWENM >= b value getWENM]. currentVersions addLast: (self allVersionNames at: i).
previousVersionsTopHistories := OrderedCollection new.
x := previousClassHistoriesSortedByWENM first value getWENM. valuesCount := 0.
previousClassHistoriesSortedByWENM do: [ :each | (each value getWENM ~= x) ifTrue: [ valuesCount := valuesCount + 1. x:= each value getWENM]. (valuesCount < topPreviousWENM) ifTrue: [ previousVersionsTopHistories addLast: each] ].
last2VersionsTopHistories := OrderedCollection new.
last2Versions := OrderedCollection new. last2Versions addLast: (self allVersionNames at: (i-1)). last2Versions addLast: (self allVersionNames at: i). last2HistoriesSortedByENM := (self classHistories selectFromReferenceVersionCollection: last2Versions)
present
present
past
present
past future
present
past future
present
past future
present
past future
prediction hit
present
past future
YesterdayWeatherHit(present):
past:=all.topChanged(beginning, present) future:=all.topChanged(present, end)
past.intersect(future).notEmpty()
prediction hit
hit hit hit
YW = 3 / 8 = 37%
hit hit hit hit hit hit hit
YW = 7 / 8 = 87%
yWFor: yesterdayCheck for: tomorrowCheck | hits | hits := (self detailedYWFor: yesterdayCheck for: tomorrowCheck) sum: [ :each | each isEmpty ifTrue: [0] ifFalse: [1]]. ^ hits / (self versions size - 2)
yWFor: yesterdayCheck for: tomorrowCheck ^ ( 3 to: self versions size ) collect: [ :i | | yesterday tomorrow | yesterday := self selectByExpression: yesterdayCheck appliedFromVersionIndex: 1 toVersionIndexAndPresentInIt: i - 1. tomorrow := self selectByExpression: tomorrowCheck appliedFromVersionIndexAndPresentInIt: i - 1 toVersionIndex: self versions size. yesterday intersectWith: tomorrow ]
content form
content form
content form
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