Description Usage Arguments Details Value Author(s) See Also Examples

Returns suitably lagged and iterated differences of an object of class **mondate**.

1 2 |

`x` |
a mondate vector or matrix containing the values to be differenced. |

`lag` |
an integer indicating which lag to use. |

`differences` |
an integer indicating the order of the difference. |

`...` |
further arguments to be passed to or from methods. |

See the `diff`

function in `base`

.

If `x`

is a vector of length `n`

and `differences=1`

,
then the computed result is equal to the successive differences
`x[(1+lag):n] - x[1:(n-lag)]`

.

If `difference`

is larger than one this algorithm is applied
recursively to `x`

.
Note that the returned value is a vector which is shorter than `x`

.

If `x`

is a matrix then the difference operations
are carried out on each column separately.

Dan Murphy

1 2 3 |

```
Attaching package: 'mondate'
The following object is masked from 'package:base':
as.difftime
[1] 12 12 12 12 12 12 12 12 12
attr(,"timeunits")
[1] "months"
```

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