# pool.fv

From spatstat v1.44-0
by Adrian Baddeley

##### Pool Several Functions

Combine several summary functions into a single function.

##### Usage

```
## S3 method for class 'fv':
pool(..., weights=NULL)
```

##### Arguments

- ...
- Objects of class
`"fv"`

. - weights
- Optional numeric vector of weights for the functions.

##### Details

The function `pool`

is generic. This is the method for the
class `"fv"`

of summary functions. It is used to
combine several estimates of the same function into a single function.

Each of the arguments `...`

must be an object of class
`"fv"`

. They must be compatible,
in that they are estimates of the same function,
and were computed using the same options.

The sample mean and sample variance of the corresponding estimates will be computed.

##### Value

- An object of class
`"fv"`

.

##### See Also

##### Examples

```
K <- lapply(waterstriders, Kest, correction="iso")
Kall <- pool(K[[1]], K[[2]], K[[3]])
Kall <- pool(as.anylist(K))
plot(Kall, cbind(pooliso, pooltheo) ~ r,
shade=c("loiso", "hiiso"),
main="Pooled K function of waterstriders")
```

*Documentation reproduced from package spatstat, version 1.44-0, License: GPL (>= 2)*

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