calc_season_fixed: Compute a season index of each year week

In cturbelin/ifnBase: InfluenzaNet Data Analysis Base

Compute a season index of each year week

Description

For each week compute the number of the week inside the "season", using an arbitrary start date for the season Based on a fixed date in the year (to take account of the week lag for some years) Conventionnaly we took the first of september of each year as the season's start

Usage

calc_season_fixed(
  inc,
  col.yw = "yw",
  col.stamp = NULL,
  date.start = "09-01",
  calc.index = TRUE
)

Arguments

inc	data.frame() data
col.yw	name of the column containing the yearweek number
col.stamp	name of the column containing the week stamp of each yearweek (@see week_stamp), if not provided compute it
date.start	month-day date to take as the start of each season
calc.index	if TRUE add an index column

Value

inc with 'season.year' (year of the start ) and 'season.index' (index of the week in the season) columns

cturbelin/ifnBase documentation built on Nov. 5, 2023, 12:54 p.m.