View source: R/CombineIndices.R

CombineIndices | R Documentation |

Function to combine climate indices for multiple models through addition, subtraction, division or averaging, optionally applying weights to each index.

```
CombineIndices(indices, weights = NULL, operation = "mean")
```

`indices` |
List of n-dimensional arrays with equal dimensions to be combined. |

`weights` |
Vector of weights for the indices, whose length is the same as
the list of parameter |

`operation` |
The operation for combining the indices, either |

An array of the same dimensions as one of the elements in the
parameter `indices`

.

```
a <- matrix(rnorm(6), 2, 3)
b <- matrix(rnorm(6), 2, 3)
comb_ind <- CombineIndices(indices = list(a, b), weights = c(2, 1),
operation = "add")
print(comb_ind)
a <- rnorm(24)
dim(a) <- c(lon = 2, lat = 3, mod = 4)
b <- rnorm(24)
dim(b) <- c(lon = 2, lat = 3, mod = 4)
comb_ind <- CombineIndices(indices = list(a, b), weights = c(2, 1),
operation = "add")
print(comb_ind)
```

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