Resources

Integrated Assembly Test Project

 /****************************************************************/
 /*          S A S   S A M P L E   L I B R A R Y                 */
 /*                                                              */
 /*    NAME: PMEX04                                              */
 /*   TITLE: Integrated Assembly Test Project                    */
 /* PRODUCT: OR                                                  */
 /*  SYSTEM: ALL                                                 */
 /*    KEYS: CPM                                                 */
 /*   PROCS: CPM,PRINT,NETDRAW,GANTT,SORT,GCHART,GPLOT,TRANSPOSE */
 /*    DATA:                                                     */
 /*                                                              */
 /* SUPPORT:                             UPDATE:                 */
 /*     REF: Example 4 of Project Management Examples Book       */
 /*    MISC: Project Management Journal, April 1988, p. 32       */
 /*                                                              */
 /****************************************************************/

goptions border hpos=80 vpos=43
         fby=swiss
         ftitle=swiss
         htitle=2
         ftext=swiss
         htext=1.5;

pattern1 v=solid c=blue;
pattern2 v=e c=blue;
pattern3 v=solid c=red;
pattern4 v=e c=red;
pattern5 v=x2 c=red;
pattern6 v=solid c=green;
pattern7 v=e c=magenta;
pattern8 v=solid c=magenta;
pattern9 v=x1 c=cyan;

title 'Integrated Assembly Test Project';

data iatdata;
     format id $25.;
     input activity $ succ $ succ2 $ lag $ lag2 $
     dur id &;
cards;
S    PD   .   SS_0   .        0  Start
PD   PDR  .   FS_0   .      105  Preliminary Design
PDR  FD   .   FS_0   .       21  Prelim Design Review
FD   FDR  PM  FS_0   SS_126 168  Final Design
PM   FC   .   SS_63  .      126  Procure Material
FDR  FP   FC  FS_0   FS_0    21  Final Design Review
FP   FRR  .   FS_0   .      273  Facility Preparation
FC   DA   .   FS_-5  .      273  Fabricate Components
DA   IA   .   FS_0   .       26  Deliver Assembly
FRR  IA   DA  FS_0   FF_0    21  Facil Readiness Rvw
IA   RR   .   FS_0   .       42  Install Assembly
RR   T    .   FS_0   .       21  Readiness Review
T    TV   .   FF_35  .      126  Test
TV   .    .   .      .       63  Test Validation
;

pattern1 v=e;

title2 'Initial Network';

proc netdraw graphics data=iatdata;
actnet/activity=activity succ=(succ succ2) duration=dur id=(id)
nolabel compress font=simplex;
run;

pattern1 v=s;

proc cpm data=iatdata out=iout
date='01oct93'd interval=day;
activity activity;duration dur;id id;
successor succ succ2/lag=(lag lag2);
run;

proc sort data=iout;
by e_start;
run;

title2 'Initial Schedule';

proc gantt graphics data=iout;
chart/mininterval=week compress
skip=2 duration=dur;
id id;
run;


data dates;
format date date7.;
input date date7. align $;
cards;
.        .
.        .
.        .
.        .
.        .
30SEP94  FLE
01OCT94  SGE
.        .
30SEP95  FLE
.        .
.        .
.        .
01OCT95  SGE
.        .
;

data iatdata;
merge iatdata dates;
run;

proc cpm data=iatdata out=iout1
date='01oct93'd interval=day xfervars;
activity activity;duration dur;id id;
successor succ succ2/lag=(lag lag2);
aligndate date;
aligntype align;
run;

proc sort data=iout1;
by e_start;
run;

title2 'Incorporating Date Constraints';

proc gantt graphics data=iout1;
chart/mininterval=week compress ref='01oct93'd '01oct94'd
'01oct95'd lref=2 reflabel skip=2 duration=dur;
id id;
run;

title2 'Gantt Chart with Logic';

proc gantt graphics data=iout1 precdata=iout1;
chart/mininterval=month compress ref='01oct93'd '01oct94'd
'01oct95'd lref=2 reflabel act=activity succ=(succ succ2)
lag=(lag lag2) skip=2 scale=6 duration=dur;
id id;
run;

data icosts;
     input total;
cards;
0
500
150
300
760
150
1100
1400
340
150
250
150
900
500
;

data iatcost;
     merge iatdata icosts;
     if dur>0 then costper=total/dur;
     else costper=0;
run;

proc cpm data=iatcost out=iout2 date='01oct93'd
     interval=day resout=costusg;
     activity activity;
     duration dur;
     id id;
     successor succ succ2/lag=(lag lag2);
     aligndate date;
     aligntype align;
     resource costper;
run;

data basecost (keep=_time_ bcws cumbcws);
     set costusg;
     retain cumbcws 0;
     bcws=ecostper;
     cumbcws=cumbcws + bcws;
run;

data actual;
     input activity $ @6 as date7. @15 af date7. actcost pct;
     format as af date7.;
cards;
 S   01oct93  01oct93  0    .
PD   01oct93  29jan94  6.0  .
PDR  30jan94  19feb94  8.2  .
FD   20feb94  10sep94  3.1  .
PM   10aug94     .     6.4  40
FDR  11sep94     .     8.0  80
;

data iatupd;
     merge iatcost actual;
     if actcost ne . then newcost=actcost;
     else newcost=costper;
run;

proc cpm data=iatupd out=updsched date='01oct93'd
     interval=day resout=updcost;
     activity activity;
     duration dur;
     id id;
     successor succ succ2/lag=(lag lag2);
     aligndate date;
     aligntype align;
     resource costper actcost newcost;
     actual/a_start=as a_finish=af timenow='01oct94'd
     pctcomp=pct;
run;

title2 'Schedule Updated with Actual Information';

proc print data=updsched;
     var id dur costper status a_dur actcost;
run;

proc sort data=updsched;
     by e_start;
run;


proc gantt data=updsched graphics;
     chart/mininterval=week compress
     timenow='01oct94'd combine duration=dur
     skip=2;
     id id;
run;

data upcost (keep=_time_ bcwp acwp cumbcwp cumacwp eac cumeac);
     set updcost;
     retain cumbcwp 0 cumacwp 0 cumeac 0;
     if _time_ < '01oct94'd then do;
     bcwp=ecostper;
     acwp=eactcost;
     cumbcwp + bcwp;
     cumacwp + acwp;
     end;
     else do;
     cumbcwp=.;
     cumacwp=.;
     end;
     eac=enewcost;
     cumeac + eac;
run;

data costs;
     merge basecost upcost;
run;

data mnthcost;
     set costs;
     month=_time_;
     year=_time_;
     format month monname3.;
     format year year.;
     format bcws acwp dollar4.;
run;

data cost94;
set mnthcost;
if _time_ < '01oct94'd;
run;

axis3 label=none;

title2 'Budgeted Monthly Expenditures - FY94';

proc gchart data=cost94;
vbar month/type=sum sumvar=bcws discrete
raxis=0 to 500 by 100 minor=9 autoref
maxis=axis3 gaxis=axis3
group=year nozero width=5;
label bcws='Thousands';
run;
quit;


title2 'Actual Monthly Expenditures - FY94';

proc gchart data=cost94;
vbar month/type=sum sumvar=acwp discrete
raxis=0 to 500 by 100 minor=9 autoref
maxis=axis3 gaxis=axis3
group=year nozero width=5;
label acwp='Thousands';
run;
quit;


data costplot (keep=date dollars id);
     set costs;
     format date date7.;
     date=_time_;
     if cumbcws ne . then do;
        dollars=cumbcws;
        id=1;
        output;
     end;
     if cumbcwp ne . then do;
        dollars=cumbcwp;
        id=2;
        output;
     end;
     if cumacwp ne . then do;
        dollars=cumacwp;
        id=3;
        output;
     end;
     if cumeac ne . then do;
        dollars=cumeac;
        id=4;
        output;
     end;
run;

legend1 frame
        value=(f=swiss justify=l 'BCWS' 'BCWP' 'ACWP' 'EAC')
        label=(f=swiss 'Legend:');

axis1 width=2
      order=('01oct93'd to '01oct96'd by year)
      value=(f=swiss)
      label=none;

axis2 width=2
      value=(f=swiss)
      label=(f=swiss);

symbol1 i=join w=2 l=1;
symbol2 i=join w=2 l=2;
symbol3 i=join w=2 l=3 c=cyan;
symbol4 i=join w=2 l=34 c=magenta;

data budcomp (keep=_time_ bac);
set basecost end=lastobs;
bac=cumbcws;
if lastobs;
run;

data actcomp (keep=_time_ eac);
set upcost end=lastobs;
eac=cumeac;
if lastobs;
run;

data complete (keep=_time_ bac eac);
merge budcomp actcomp;
run;

%annomac;

data anno1;
%dclanno;
%system(2,2,4)
set complete;
length lab $16.;
x1=_time_ + 25;
y1=bac;
y2=eac;
lab=put('$'||left(bac)||' K',$10.);
%label(x1,y1,lab,*,0,0,1.2,duplex,C);
lab=put('$'||left(eac)||' K',$10.);
%label(x1,y2,lab,*,0,0,1.2,duplex,C);
run;

title2 'Earned Value Analysis';

proc gplot data=costplot anno=anno1;
     plot dollars * date = id/
     hminor=11
     href='01oct94'd
     legend=legend1
     haxis=axis1
     vaxis=axis2;
     format dollars dollar6.;
     label dollars='Thousands';
run;
quit;


data now (keep=_time_ cumbcwp cumbcws cumacwp costvar schvar);
set costs;
if _time_='30sep94'd;
costvar=(cumbcwp-cumacwp)/cumbcwp;
schvar=(cumbcwp-cumbcws)/cumbcws;
run;

data eva (drop=_time_);
merge now complete;
compvar=(bac-eac)/bac;
progcomp=cumbcwp/bac;
label bac='Budget at Completion (BAC)';
label eac='Estimate at Completion (EAC)';
label cumbcwp='BCWP';
label cumbcws='BCWS';
label cumacwp='ACWP';
label costvar='Cost Variance %';
label schvar='Schedule Variance %';
label compvar='Estimate at Completion Variance %';
label progcomp='Program Completed %';
run;

proc transpose data=eva out=eva1;
var progcomp cumbcwp cumbcws cumacwp costvar schvar bac eac compvar;
run;

proc print label data=eva1;
id _label_;
var col1;
label _label_='Statistic';
label col1='Value';
run;