age_groups
Split Ages into Age Groups
Description
Split ages into age groups defined by the split argument. This allows for easier demographic (antimicrobial resistance) analysis.
Usage
age_groups(x, split_at = c(12, 25, 55, 75), na.rm = FALSE)
Arguments
Details
To split ages, the input for the split_at argument can be:
-
A numeric vector. A value of e.g.
c(10, 20)will splitxon 0-9, 10-19 and 20+. A value of only50will splitxon 0-49 and 50+. The default is to split on young children (0-11), youth (12-24), young adults (25-54), middle-aged adults (55-74) and elderly (75+). -
A character:
-
"children"or"kids", equivalent of:c(0, 1, 2, 4, 6, 13, 18). This will split on 0, 1, 2-3, 4-5, 6-12, 13-17 and 18+. -
"elderly"or"seniors", equivalent of:c(65, 75, 85). This will split on 0-64, 65-74, 75-84, 85+. -
"fives", equivalent of:1:20 * 5. This will split on 0-4, 5-9, ..., 95-99, 100+. -
"tens", equivalent of:1:10 * 10. This will split on 0-9, 10-19, ..., 90-99, 100+.
-
Value
Ordered factor
Stable Lifecycle
The lifecycle of this function is stable. In a stable function, major changes are unlikely. This means that the unlying code will generally evolve by adding new arguments; removing arguments or changing the meaning of existing arguments will be avoided.
If the unlying code needs breaking changes, they will occur gradually. For example, a argument will be deprecated and first continue to work, but will emit an message informing you of the change. Next, typically after at least one newly released version on CRAN, the message will be transformed to an error.
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See Also
To determine ages, based on one or more reference dates, use the age() function.
Examples
ages <- c(3, 8, 16, 54, 31, 76, 101, 43, 21)
# split into 0-49 and 50+
age_groups(ages, 50)
# split into 0-19, 20-49 and 50+
age_groups(ages, c(20, 50))
# split into groups of ten years
age_groups(ages, 1:10 * 10)
age_groups(ages, split_at = "tens")
# split into groups of five years
age_groups(ages, 1:20 * 5)
age_groups(ages, split_at = "fives")
# split specifically for children
age_groups(ages, c(1, 2, 4, 6, 13, 17))
age_groups(ages, "children")
# resistance of ciprofloxacin per age group
if (require("dplyr")) {
example_isolates %>%
filter_first_isolate() %>%
filter(mo == as.mo("E. coli")) %>%
group_by(age_group = age_groups(age)) %>%
select(age_group, CIP) %>%
ggplot_rsi(x = "age_group", minimum = 0)
}