# Aggregation function

### Description

This function is intended to be used with `sim_agg`

and not interactively. This is one implementation for aggregating data in a simulation set-up.

### Usage

1 | ```
agg_all(groupVars = "idD")
``` |

### Arguments

`groupVars` |
variable names as character identifying groups to be aggregated. |

### Details

This function follows the split-apply-combine idiom. Each data set is split by the defined variables. Then the variables within each subset are aggregated (reduced to one row). Logical variables are reduced by `any`

; for characters and factors dummy variables are created and the aggregate is the mean of each dummy; and for numerics the mean (removing NAs).

### See Also

`sim_agg`

### Examples

1 |

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