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Add CPI via Belfiore codes

Source: R/utils_geographic.R
add_cpi_via_belfiore.Rd

Two-step conversion: Belfiore code → ISTAT PRO_COM_T → CPI. This function is designed for employment data that uses Belfiore codes (e.g., COMUNE_LAVORATORE field in CO data).

Usage

add_cpi_via_belfiore(dt, belfiore_col = "COMUNE_LAVORATORE", add_name = TRUE)

Arguments

dt

A data.table containing Belfiore codes

belfiore_col

Character string specifying the column name containing Belfiore codes. Default is "COMUNE_LAVORATORE".

add_name

Logical. If TRUE, adds both cpi_code and cpi_name columns. If FALSE, only adds cpi_code. Default is TRUE.

Value

The input data.table with added columns:

  • pro_com_t: ISTAT code (intermediate result)

  • cpi_code: CPI identifier code

  • cpi_name: CPI area name (if add_name = TRUE)

The data.table is modified by reference for efficiency.

Details

This function performs two sequential joins:

  1. Join Belfiore codes to ISTAT PRO_COM_T codes

  2. Join ISTAT codes to CPI codes

Examples

if (FALSE) { # \dontrun{
# Add CPI to employment data with Belfiore codes
dt <- data.table::data.table(COMUNE_LAVORATORE = c("F205", "B292", "D869"))
dt <- add_cpi_via_belfiore(dt)
print(dt)
} # }