# age_pyramids

From IBMPopSim v0.3.0
by Daphnc3 Giorgi

##### Age pyramid from a population data frame at some given times.

Vectorial version in time of the function `age_pyramid`

. Not compatible with IBMs including swap events.

##### Usage

`age_pyramids(population, time = 0, ages = c(0:110, Inf))`

##### Arguments

- population
Population data frame: characteristics in columns and individuals in rows. At least two columns

`birth`

(dates of birth) and`death`

(dates of death) are required.- time
The age pyramid is computed at instants

`time`

. Must be a numeric vector of greater than or equal to 0.- ages
*(Optional)*A numeric vector of distinct positive values composing age groups. Must be in increasing order.

##### Details

For convenience. This is a just a `lapply`

call of `age_pyramid`

on the vector `time`

.

*Documentation reproduced from package IBMPopSim, version 0.3.0, License: MIT + file LICENSE*

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