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Scheduling Knowledge Center
A home for knowledge regarding all things scheduling, planning, scheduling software, theory, and concepts.
270 topics so far. The first collection is scheduling software — Primavera P6 and Microsoft Project. Theory, planning practice, and other tools will land here too.
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270 topics
As-of dates, actuals, remaining work
Relationships, lag, retained logic
Total float, free float, critical
WBS, EPS, types, milestones
Percent complete, earned value
The plan you measure against
People, cost, leveling
Work weeks and exceptions
Codes, UDFs, notebooks
Layouts, filters, Gantt, print
Same ideas, not always the same objects
What the file actually holds
Where the command lives in P6
Start Here
Six software notes to open the library.
Data Date (as-of); XER last_recalc_date vs Must Finish By; live 31-Jul-26 17:00
Total float vs free float; critical = TF ≤ threshold or longest path
21-day / 3-week look-ahead is a DD-anchored filter, not a P6 object
Baseline is a project copy; target_* is Planned, not BL; XER vs XML disagree
PROJWBS vs TASK.wbs_id; WBS is not an activity
SPI is EV/PV (not time); ES is Lipke; no P6 ES column
Latest
Most Read
- SPI120 reads
- XER Tables That Matter for a Viewer or Converter93 reads
- P6 Data Date (Time-Now / As-Of)74 reads
- Baseline vs Current72 reads
- XER Shape69 reads
- Must Finish by (Project Constraint, Not Data Date)62 reads
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