coredata | R Documentation |

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

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

`x` |
an object. |

`...` |
further arguments passed to methods. |

`value` |
a suitable value object for use with |

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.

`zoo`

```
suppressWarnings(RNGversion("3.5.0"))
set.seed(1)
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
```

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