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Summarize Catch Price Data

summarise_catch_price.Rd

This function aggregates catch price data by a specified time unit, calculating median prices per kilogram for each fish category at each landing site.

Usage

summarise_catch_price(data = NULL, unit = NULL)

Arguments

data

A tibble containing catch price data with columns: landing_date, landing_site, fish_category, and ksh_kg

unit

Character string specifying the time unit for aggregation (e.g., "year", "month", "week"). Passed to lubridate::floor_date()

Value

A tibble containing summarized price data with columns: date, landing_site, fish_category, size, and median_ksh_kg

Details

The function:

  1. Floors dates to the specified unit using lubridate

  2. Groups data by date, landing site, fish category and size

  3. Calculates median price per kilogram for each group

Examples

if (FALSE) { # \dontrun{
summarise_catch_price(data = price_data, unit = "year")
summarise_catch_price(data = price_data, unit = "month")
} # }