as.zoo | R Documentation |

Methods for coercing `"zoo"`

objects to other classes and
a generic function `as.zoo`

for coercing objects to class `"zoo"`

.

```
as.zoo(x, ...)
```

`x` |
an object, |

`...` |
further arguments passed to |

`as.zoo`

currently has a default method and methods for `ts`

,
`fts`

(currently archived on CRAN), `irts`

,
`mcmc`

, `tis`

, `xts`

objects (and `zoo`

objects themselves).

Methods for coercing objects of class `"zoo"`

to other classes
currently include: `as.ts`

, `as.matrix`

, `as.vector`

,
`as.data.frame`

, `as.list`

(the latter also being available
for `"ts"`

objects). Furthermore, `fortify.zoo`

can transform `"zoo"`

series to `"data.frame"`

including the time index and optionally melting a wide series
into a long data frame.

In the conversion between `zoo`

and `ts`

, the `zooreg`

class is
always used.

`as.zoo`

returns a `zoo`

object.

`zoo`

, `fortify.zoo`

,
`zooreg`

, `ts`

, `irts`

,
`tis`

, `mcmc`

,
`xts`

.

```
suppressWarnings(RNGversion("3.5.0"))
set.seed(1)
## coercion to zoo:
## default method
as.zoo(rnorm(5))
## method for "ts" objects
as.zoo(ts(rnorm(5), start = 1981, freq = 12))
## coercion from zoo:
x.date <- as.POSIXct(paste("2003-", rep(1:4, 4:1), "-", sample(1:28, 10, replace = TRUE), sep = ""))
x <- zoo(matrix(rnorm(24), ncol = 2), x.date)
as.matrix(x)
as.vector(x)
as.data.frame(x)
as.list(x)
```

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