Description Usage Arguments Details Value Examples

`align.idx`

returns the index of the alignment of `x`

on `y`

1 |

`x` |
the |

`y` |
the |

`start` |
scalar or vector of same length as |

`end` |
scalar or vector of same length as |

In order to perform the alignment, intervals are created around
each elements in `y`

using `start`

and `end`

. For
each such interval, the closest element in `x`

is chosen. If
no element in `x`

falls in the interval, then NaN is
returned.

a vector of indices of the same length as `y`

; this
vector indexes into `x`

and represents the points in
`x`

that are aligned with the points in `y`

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