Input Data Sets and Related Variables

The CPM Procedure

Input Data Sets and Related Variables

The CPM procedure uses activity, resource, and holiday data from several different data sets with key variable names being used to identify the appropriate information. Table 2.24 lists all of the variables associated with each input data set and their interpretation by the CPM procedure. The variables are grouped according to the statement that they are identified in. Some variables use default names and are not required to be identified in any statement.

Table 2.24: PROC CPM Input Data Sets and Associated Variables

Data Set	Statement	Variable Name	Interpretation
CALEDATA	CALID	CALID	Calendar corresponding
			to work pattern

	Default	D_LENGTH	Length of standard
	names		work day
		_SUN_	Work pattern on day of
		...	week, valid values:
		_SAT_	WORKDAY, HOLIDAY, or one
			of the numeric variables
			in the Workday data set
DATA	ACTIVITY	ACTIVITY	Activity in AON format

	ACTUAL	A_START	Actual start time of activity
		A_FINISH	Actual finish time of activity
		REMDUR	Remaining duration
		PCTCOMP	Percentage of work
			completed

	ALIGNDATE	ALIGNDATE	Time constraint on
			activity

	ALIGNTYPE	ALIGNTYPE	Type of time constraint,
			valid values: SGE, SEQ,
			SLE, FGE, FEQ, FLE, MS,
			MF
	BASELINE	B_START	Baseline start time
			of activity
		B_FINISH	Baseline finish time
			of activity

	CALID	CALID	Calendar followed by
			activity

	DURATION	DURATION	Duration of activity
		FINISH	Finish time of activity
		START	Start time of activity

	HEADNODE	HEADNODE	Head of arrow (arc) in
			AOA format

	ID	ID	Additional project
			information

	PROJECT	PROJECT	Project to which activity
			belongs

	RESOURCE	ACTDELAY	Activity delay
		ACTPRTY	Activity priority
		MAXNSEGMT	Maximum number of
			segments
		MINSEGMTDUR	Minimum duration of a
			segment
		RESOURCE	Amount of resource
			required
		WORK	Amount of work required
	SUCCESSOR	SUCCESSOR	Successor in AON format
		LAG	Nonstandard precedence
			relationship

	TAILNODE	TAILNODE	Tail of arrow (arc) in
			AOA format
HOLIDATA	CALID	CALID	Calendar to which
			holiday applies

	HOLIDAY	HOLIDAY	Start of holiday
		HOLIDUR	Duration of holiday
		HOLIFIN	End of holiday
RESOURCEIN	RESOURCE	OBSTYPE	Type of observation;
			valid values: RESLEVEL,
			RESTYPE, SUPLEVEL,
			RESPRTY, ALTRATE,
			ALTPRTY
		PERIOD	Time from which resource
			is available
		RESID	Resource for which
			alternates are given
		RESOURCE	Resource type, priority,
			availability, alternate
			rate, alternate priority
WORKDATA		Any numeric	On-off pattern of work
		variable	(shift definition)

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