irr | R Documentation |

Rate at which all cashflows will be discounted to exactly zero.

```
irr(
cashflows,
dates,
method = "compound",
convention = "ACT/365",
silent = FALSE
)
```

`cashflows` |
Cash flows, as a vector. |

`dates` |
Value dates for the cashflows vector. |

`method` |
Compound or simple interest? Default is compound. |

`convention` |
Interest rate convention; default is "ACT/365". |

`silent` |
Should warning messages be suppressed? Default is no. |

IRR as a fraction, per annum basis; recognized interval is -50% – +150% p.a.

npv, dcf

```
irr(
dates = as.Date(c("2019-01-01", "2020-01-01")),
cashflows = c(-1000, 1100)
)
```

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