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Flow metrics: Difference between revisions
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To illustrate the behaviour of metrics in various situations, we list a few examples: | To illustrate the behaviour of metrics in various situations, we list a few examples: | ||
== | == Simple project == | ||
We sign a new customer for a project that is expected to take 3 days of work and be billed at 1.000 € per day. The customer agrees with the fixed-price quote we give her. We start the work on day 1 and it does indeed take us 3 days. We deliver to the customer at the end of day 3 and the customer pays the invoice on day 4. | |||
{| class="wikitable" | |||
|+ The metrics behave as follows | |||
|- | |||
! Day !! Effectiveness (€D) !! Reliability (€D) !! Throughput (€) | |||
|- | |||
| 1 || 1.000 || 0 || 0 | |||
|- | |||
| 2 || 2.000 || 0 || 0 | |||
|- | |||
| 3 || 3.000 || 0 || 0 | |||
|- | |||
| 4 || 0 || 0 || 3.000 | |||
|- | |||
| 5 || 0 || 0 || 0 | |||
|- | |||
|} | |||
== Late delivery == | == Late delivery == | ||
We sign a new customer for a project that is expected to take 3 days of work and be billed at 1.000 € per day. The customer agrees with the fixed-price quote we give her. However, we think the project will take us 2 days, so we decide to start the work on day 2. | We sign a new customer for a project that is expected to take 3 days of work and be billed at 1.000 € per day. The customer agrees with the fixed-price quote we give her. However, we think the project will take us 2 days, so we decide to start the work on day 2. | ||
It turns out we were wrong and the work actually takes us 4 days to deliver. The customer is slightly upset, but they added a little buffer for this possibility so they can still use the work. We send the invoice on day | It turns out we were wrong and the work actually takes us 4 days to deliver. The customer is slightly upset, but they added a little buffer for this possibility so they can still use the work. We send the invoice on day 5 and the customer pays the invoice on day 7. | ||
{| class="wikitable" | {| class="wikitable" | ||