> For the complete documentation index, see [llms.txt](https://water-strategy.gitbook.io/waterstrategy/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://water-strategy.gitbook.io/waterstrategy/italiano/nozioni-di-base-sulla-modellazione/parameters/others/discount-factor-parameter.md).

# Parametro del fattore di sconto

## Descrizione generale

Parametro che restituisce il fattore di sconto corrente in base al tasso di sconto e all'anno base. [API Riferimento](https://pywr.github.io/pywr-docs/master/api/generated/pywr.parameters.DiscountFactorParameter.html)

## Attributi

<table><thead><tr><th width="158">Nome</th><th width="473">Descrizione</th><th>Richiesto</th></tr></thead><tbody><tr><td>sconto_tasso di</td><td>sconto (espresso come 0 - 1) utilizzato calcola il fattore di sconto per ogni anno</td><td>Sì</td></tr><tr><td>base_anno</td><td>Anno base di attualizzazione (ossia l'anno con un fattore di sconto pari a 1.0)</td><td>sì</td></tr></tbody></table>

## Esempio

presto in arrivo...

```json
{

}
```


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