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55 lines
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1.7 KiB
Markdown
55 lines
No EOL
1.7 KiB
Markdown
### PERT Calculator
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A simple utility to estimate tasks using PERT (Program evaluation and review technique)
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### Usage
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<pre>
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A command line PERT calculator for quick estimates.
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Comma separated task list in the form "1,2,12 4,5,9 2,3,6", where whitespace separates tasks.
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Usage:
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pert [optimistic,realistic,pessimistic]
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Example:
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pert 1,3,4
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pert 10,15,20 5,7,10
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pert "1,2,3" "15,17,20"
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</pre>
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### Example
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Command:
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`$ pert 5,7,10 2,3,4 10,12,14`
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Output:
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<pre>
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Tasks
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+--------------------------------------------------------------------------------------+
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| # | optimistic | realistic | pessimistic | duration | risk | variance |
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+--------------------------------------------------------------------------------------+
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| 1. task | 5 | 7 | 10 | 7.16 | 0.83 | 0.68 |
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| 2. task | 2 | 3 | 4 | 3.00 | 0.33 | 0.10 |
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| 3. task | 10 | 12 | 14 | 12.00 | 0.66 | 0.43 |
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+--------------------------------------------------------------------------------------+
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| summary | - | - | - | 22.16 | 1.82 | 1.21 |
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+--------------------------------------------------------------------------------------+
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Three point estimates
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+----------------------------------------+
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| confidence | | |
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+----------------------------------------+
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| 1 Sigma - 68% | 20.34 | 23.98 |
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| 2 Sigma - 95% | 18.52 | 25.80 |
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| 3 Sigma - 99% | 16.70 | 27.62 |
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+----------------------------------------+
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</pre>
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### License
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[MIT](https://github.com/arzzen/pert/blob/master/LICENSE)
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### Maintainer
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[Lukas Mestan](https://github.com/arzzen/) |