# cost\_estimation

## Basic idea

Predicting effort, schedule, and cost of a software project before it is built. Mostly inaccurate; the value is in the act of estimating and re-estimating.

## Key formulas

* COCOMO basic: $E = a \cdot \text{KLOC}^b$
* PERT: $T\_E = (O + 4M + P)/6$
* Algorithmic model: $\text{Effort} = A \cdot \text{Size}^B \cdot M$


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