Table 8.2 summarizes the treatment of missing values for variables in the input data sets used by PROC GANTT.
Table 8.2: Treatment of Missing Values in PROC GANTT
Data Set |
Variable |
Action |
---|---|---|
CALEDATA |
CALID |
Default calendar (0 or “DEFAULT”) |
_SUN_, …,_SAT_ |
Corresponding shift for default calendar |
|
D_LENGTH |
DAYLENGTH, if available; else, 8:00, if |
|
DATA |
A_FINISH |
Value ignored |
A_START |
Value ignored |
|
ACTIVITY |
Input error: logic options are ignored |
|
B_FINISH |
Value ignored |
|
B_START |
Value ignored |
|
CALID |
Default calendar (0 or “DEFAULT”) |
|
CHART |
Value ignored |
|
DUR |
Nonzero |
|
E_FINISH |
Value ignored |
|
E_START |
Value ignored |
|
HEADNODE |
Input error: logic options are ignored |
|
ID |
Missing |
|
L_FINISH |
Value ignored |
|
L_START |
Value ignored |
|
LAG |
FS |
|
S_FINISH |
Value ignored |
|
S_START |
Value ignored |
|
SEGMT_NO |
See the section Displayed Output |
|
SUCCESSOR |
Value ignored |
|
TAILNODE |
Input error: logic options are ignored |
|
ZONE |
Zone value |
|
HOLIDATA |
CALID |
Holiday applies to all calendars defined |
HOLIDAY |
Observation ignored |
|
HOLIDUR |
Ignored, if HOLIFIN is not missing; else, 1.0 |
|
HOLIFIN |
Ignored, if HOLIDUR is not missing; else, |
|
LABDATA |
_ALABEL |
0 |
_CLABEL |
CTEXT= |
|
_FLABEL |
FONT= |
|
_HLABEL |
1 |
|
_JLABEL |
L |
|
_LABEL |
Use _LVAR |
|
_LVAR |
Value ignored |
|
_PAGEBRK |
0 |
|
_RLABEL |
0 |
|
_X |
Use _XVAR |
|
_XOFFSET |
0 |
|
_XVAR |
Value ignored |
|
_XSYS |
DATA |
|
_Y |
Use LABVAR= |
|
_YOFFSET |
0 |
|
_YSYS |
DATA |
|
LABVAR |
Value ignored |
|
PRECDATA |
ACTIVITY |
Input error: logic options are ignored |
LAG |
FS |
|
SUCCESSOR |
value ignored |
|
WORKDATA |
any numeric variable |
00:00, if first observation; 24:00, otherwise |