Calender year rates to Study Year Rates

Given a vector of cumulative-risk ratios, computes risk ratios

1 |

`CRR` |
vector of cumulative risk ratios of length |

`DT` |
vector of time increments upon which the cumulative ratios
represent. For example if the hazard takes values
$h_1, h_2, ..., h_m$ on the intervals $[t_1, t_2), [t_2, t_3),
..., [t_m, t_m+1)$ then |

`h` |
The hazard in the reference arm, of length |

The vector of risk ratios at the `m`

time points

Grant Izmirlian <izmirlian@nih.gov>

1 | ```
## none as yet
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