Map WWTP Column Names to Standard Format

Create mapping between EPA WWTP data column names and standardized format. Handles various EPA data formats across different years.

Usage

map_wwtp_columns(raw_data, nutrient, custom_mapping = NULL)

Arguments

raw_data

Data frame. Raw WWTP data

nutrient

Character. "nitrogen" or "phosphorus"

custom_mapping

Named list. Custom column mappings (optional)

Value

Named list with column mappings

Examples

if (FALSE) { # \dontrun{
mapping <- map_wwtp_columns(raw_wwtp_data, "nitrogen")

# Custom mapping for different format
custom_map <- list(facility_name = "Plant_Name",
                  pollutant_load = "Annual_Load_kg")
mapping <- map_wwtp_columns(raw_data, "nitrogen", custom_map)
} # }