Learn
Hidden mechanisms
- Transfer lots: the next station starts before this one finishesInteractive lesson · 3 min
- All units price break: the extra unit that lowers the invoiceInteractive lesson · 3 min
- Intermediate maximum: the yard peaks before clearance endsInteractive lesson · 3 min
- Distribution tails: the same moments, different worst daysInteractive lesson · 3 min
Dates and delay
- Correlation: every estimate honest and the sum still lateInteractive lesson · 3 min
- Reference class forecasting: where the estimate sits in the class you choseInteractive lesson · 5 min
- Total float: who owns it decides whether the finish date movesInteractive lesson · 4 min
- Concurrent delay: two delays at once, five different answersInteractive lesson · 4 min
- Prolongation and disruption: delay costs money twiceInteractive lesson · 5 min
- Schedule update analysis: the update moved six days, the calculation forty twoInteractive lesson · 4 min
- Driving delay: separate events can share a completion effectInteractive lesson · 5 min
What one number hides
- Flaw of averages: the answer at the average is not the average answerInteractive lesson · 4 min
- Safety stock: variance beats the average lead timeInteractive lesson · 2 min
- Bullwhip effect: a small steady rise becomes a violent swing upstreamInteractive lesson · 4 min
- KPI definitions: the same data looks healthy while the operation degradesInteractive lesson · 4 min
- Monte Carlo simulation: one run is vivid and still an anecdoteInteractive lesson · 6 min
- Forecast accuracy metrics: the same forecast, scored four waysInteractive lesson · 5 min
- Unchanged region: values you checked, not a range you provedInteractive lesson · 3 min
What a shipment costs
What the paperwork has to prove
- Documentary discrepancies: a clean shipment, rejected on paperInteractive lesson · 5 min
- Claim preparation: assemble a packet and hear what a reviewer asksInteractive lesson · 6 min
- Documentary credit deadlines: four clocks, and one of them is yoursCalculator · 3 min
- Backward scheduling: the tightest document is not always the slowest oneCalculator · 3 min
How much to hold, and how much to order
What a balance has to account for
How work moves, and what the numbers are about
What the rate curve decides
What the load is before anybody moves it
What the count never saw
What the programme has already decided
- Continuity rule: the bar runs thirty days, ten of them workedCalculator · 3 min
- Longest path: positive float, and still holding the finish dateInteractive lesson · 3 min
- Date constraint: the delay in front of the date stopped travellingCalculator · 4 min
- Logic links: one side's delay disappeared, the other kept all of itInteractive lesson · 4 min
- Windows analysis: nothing in the record changed and the count didCalculator · 5 min
What has to be counted apart
- Time and money: an event passes one gate and fails the otherCalculator · 5 min
- Approval lead time: the change is one delay, the answer anotherCalculator · 4 min
- Double counting: one crew, and the same hours in the total twiceCalculator · 5 min
- Liquidated damages cap: the tenth late week costs and the eleventh nothingInteractive lesson · 3 min
What reaches the purchase order
What the rule you declared decides
- Guard band: the measurement did not move and the three rules disagreedCalculator · 3 min
- Rules of origin: one consignment, three declared tests, and they disagreeCalculator · 3 min
- Notice period: the later of two dates is the shorter periodCalculator · 3 min
- Delay analysis methods: the records carry them, the software does notCalculator · 5 min
The whole number, and what stopped it
- Allocation rules: six hundred units arrived, two locations still shortCalculator · 4 min
- Multiple comparisons: three differences looked real, one survives the familyInteractive lesson · 4 min
- Round trip time: the year holds seven trips, the eighth falls shortCalculator · 5 min
- Extreme value: pooling steadies a sum, a consolidation waits on the lastInteractive lesson · 4 min
- Bank guarantee run-off: the work is done, the bond stands in fullCalculator · 5 min
- Bid cost: the eighth invitation is the first that loses moneyInteractive lesson · 3 min
- Apportionment: the pool grew by one and a claimant lost its only unitInteractive lesson · 5 min