Computes core inflation using the non-smoothed trimmed means method

Computes core inflation using the non-smoothed trimmed means method

core_ma(data, change, weight, date)

Arguments

data	Dataframe object with inflation items data.
change	A string with the column name of the percentage change of the inflation items.
weight	A string with the column name of the weight of the inflation items.
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)
library(dplyr)

ipca_ma <- get_ipca(period = "all") %>%
group_desc() %>%
dplyr::filter(group == "Item") %>%
core_ma(., "pct_change", "weight", "date")
}