Computes core inflation using the double weight method

core_dp(data, change, weight, code, group, date)

Arguments

data	Dataframe object with inflation index and items data.
change	A string with the column name of the percentage change of the inflation index and items.
weight	A string with the column name of the weight of the inflation index and items.
code	A string with the column name of the code of the inflation index and items as provided in `get_ipca()`.
group	A string with the column name of the group of the inflation index and items as provided in `group_desc()`.
date	A string with the name of the date column.

Value

Calculated core inflation tibble.

Author

Fernando da Silva <fernando@fortietwo.com>

Examples

if (FALSE) {
library(magrittr)

ipca_dp <- get_ipca(period = "all") %>%
group_desc() %>%
core_dp(., "pct_change", "weight", "code", "group", "date")
}