# coredata

From zoo v1.8-3
by Achim Zeileis

##### Extracting/Replacing the Core Data of Objects

Generic functions for extracting the core data contained in a (more complex) object and replacing it.

- Keywords
- ts

##### Usage

```
coredata(x, …)
coredata(x) <- value
```

##### Arguments

- x
an object.

- …
further arguments passed to methods.

- value
a suitable value object for use with

`x`

.

##### Value

In `zoo`

, there are currently `coredata`

methods for time series
objects of class `"zoo"`

, `"ts"`

, `"its"`

, `"irts"`

, all of
which strip off the index/time attributes and return only the observations.
The are also corresponding replacement methods for these classes.

##### See Also

##### Examples

```
# NOT RUN {
x.date <- as.Date(paste(2003, rep(1:4, 4:1), seq(1,20,2), sep = "-"))
x <- zoo(matrix(rnorm(20), ncol = 2), x.date)
## the full time series
x
## and only matrix of observations
coredata(x)
## change the observations
coredata(x) <- matrix(1:20, ncol = 2)
x
# }
```

*Documentation reproduced from package zoo, version 1.8-3, License: GPL-2 | GPL-3*

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