PROC GANTT: Missing Values in Input Data Sets :: SAS/OR(R) 9.2 User's Guide: Project Management

The GANTT Procedure

Missing Values in Input Data Sets

Table 6.19 summarizes the treatment of missing values for variables in the input data sets used by PROC GANTT.

Table 6.19: 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 INTERVAL=WORKDAY or DTWRKDAY; 24:00, otherwise
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 "Displayed Output" section
	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, HOLIDAY + (1 unit of INTERVAL)
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