Project Size Estimation

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Project Size EstimationEstimasi Ukuran Project


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“Size” of Software Systems

Source: Wikipedia


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“Size” of Software Systems

Caper Jones, TheEconomic of SoftwarQuality (2012)


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etode Upaya Estimasi Softwar

1. SimplyMethod!"ndustry StdPercenta#es$

• %unakan waktu yan#di&a'iskan untukperencanaan

• Seirin# den#an

standar presentaseindustri• emperkirakan waktu

kese(uru&an untukproyek terse'ut

2. FunctionPoint!)((en )('rec&t*

1+,+$

• Estimasi UkuranSistem !-unctionPoint$

• Estimasi Upaya

.iper(ukan !Person/ont&$• Perkiraan Waktu

diper(ukan !ont&$

3. Use CaPoint!%usta0 arn

1++3$

• Estimate System!Use ase Points

• Estimate Eort4e5uired !Person

ont&$• Estimate 6ime

4e5uired !ont&


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18 Simp(y et&od


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Simp(y et&od


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Waktu untuk setiap fase

ita men#in#at 'a&wa

jadi

timeOverall0.15timePlanning ×=

0.15

timePlanning timeOverall =

0.15

timePlanning0.2timeAnalysis ×=


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Estimate t&e ;0era(( 6ime

Planning Analysis DesignImplementation

IndustryStandardFor e! 1"# 2$# 3"#3$#Applications

%&ort'e(uired ) ".33 *.33 +in ,ime !mont&$

%-ample Analysis mont&

33.515.0

42.0 =×


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28 -unction Point


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-unction Point )pproac&

(Allen Alrecht, 1!"!)


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-unction Points Estimation//Step 6wo !Processin# omp(e>ity

Sca(e of = to 3

.ata ommunications AAAAA @ea0y Use on#uration AAAAA

6ransaction 4ate AAAAA End/User eFciency AAAAA omp(e> Processin# AAAAA "nsta((ation Ease AAAAA u(tip(e sites AAAAA Performance AAAAA

.istri'uted functions AAAAA ;n/(ine data entry AAAAA ;n/(ine update AAAAA 4eusa'i(ity AAAAA ;perationa( Ease AAAAA E>tensi'i(ity AAAAA

Processin# omp(e>ity !P$ AAAAA


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-unction Point Estimation// Step 6&ree !6)-P$

Processing Complexity (PC) = 7( From Step Two )

Adjusted Processing

Complexity (PCA) = 0.65 + (0.01 7 ) = 0.7!

"ot#l Adjusted

$unction Points ("A$P)% &&' 0.7! = !& (From Step One )

)dj t d P i


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)djusted Processin#omp(e>ity

&oose standard )djusted Projeomp(e>ity !P)$ from t&e ran#

1. $./" Simp(e systems

28 18= GCorma(G systems38 1839 omp(e> systems


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on0ertin# -unction Points to ?inof ode

Source# Capers Jones, Software $ro%ucti&ity 'esearch

#ngu#ge *C$unction Code Point

CC*,*-AAC++"ur/o P#sc#lisu#l ,#sicPoer,uilder"2P#c3#ges(e.g.4 Access4 xcel)

1&0110 55 50 50 &0 15 15100


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?ines of odes !?;$

Line of Codes (LOC) = "A$P * LOC/TAFP

Example:

If TAFP = 243 Then we build the software using a!a"#$ = %243 & ''( = )33*' line of +odes


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onto& Denis )p(ikasi dan -P

Caper Jones, TheEconomic of SoftwarQuality (2012)


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H8 Estimatin# EortEffort = 1.4 * thousands-of- lines-of-ode(in Person- !onths)

Example:

If "#$ = )33*' Then,,,Effort = %),4 & )3,3*' ( = )-,.)) Person /onths


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8 Estimatin# 6imeTi"e = #.$ * %erson-"onths1/#

(in !onths)

Example:

If "#$ = )33*' Then,,,Effort = %),4 & )3,3*' ( = )-,.)) person0months

Time = 3,1 & )-,.)) 1/# = ., month


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@itun# Size dari Sistem den#an-unction Point

& Se'ua& perusa&aan mem'utu&kan sistem o seeer untpencari kerja dan perusa&aan pem'uka (owon#an pekerj

& Sistem memun#kinkan pencari kerja untuk menginput dcurricu(um 0itae8 .i sisi (ain* perusa&an pem'uka (owon#kerja 'isa men#input data perusa&aan dan (owon#anpekerjaan yan# disediakan

& Pencari kerja dapat me(akukan pencarian 0(uery tenta(owon#an pekerjaan apa saja yan# tersedia* sedan#kanpem'uka (owon#an kerja mencari tentan# siapa saja yan

suda& mendaftar di suatu (owon#an pekerjaan& Sistem mampu memprodusi laporan dan statistik

(en#kap tentan# pencari kerja* perusa&aan* jenis (owon#pekerjaan dan tren (owon#an kerja yan# sedan# popu(er

& ?aporan statistik akan disajikan da(am 'entuk info#rak d ju#a tersedia da(am 'entuk (e pdf yan# 'isa didown(oad

& Sistem akan dikem'an#kan den#an men##unakan 'a&aspemro#raman Da0a


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omp(e>ity

.escription ?ow edium @i#& 6ota(

"nputs AA> 3 AA> 7 AA> AAAA

;utputs AA> 7 AA> 9 AA> , AAAA

Bueries AA> 3 AA> 7 AA> AAAA

-i(es AA> , AA> 1= AA> 19 AAAA

Pro#ram AA> 9 AA> , AA> 1= AAAA "nterfaces

6;6)? UC).DUS6E. -UC6";C P;"C6S AAAA


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6U-P

-un#si Ho'ot 6ota("nput 3 3 +

;utput 3 7 12

Bueries 2 3

-i(e 1 , ,Pro#ram"nterface

7 9 2=

6U-P ")


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Processin# omp(e>ity& .ata ommunications 1

& @ea0y Use on#uration =

& 6ransaction 4ate =

& End/User eFciency =

& omp(e> Processin# =

& "nsta((ation Ease =

& u(tip(e sites =

& Performance=

& .istri'uted functions =

& ;n/(ine data entry =

& ;n/(ine update =

& 4eusa'i(ity =

& ;perationa( Ease 1

& E>tensi'i(ity =

,,A4/


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6)-P

& Processin# omp(e>ity !P$ I

& )djusted Processin#

omp(e>ity !P)$ I =89 J !=8=1 K $ I =

& 6ota( )djusted

-unction Points !,AFP$: ,= K =8,1 I )*

4C %&ort 0ManMonth ,ime


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4C %&ort 0ManMonth ,ime0Month

18 ?; I 99K7+8, I 2,3389 ?ine ;f o

28 Eort I 187K28,339 I 38

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