Seasonality module - server — mod_seasonality

Analyses the returns of the index selected in the Timeseries tab by day of the week, week of the year, month or year of the US presidential cycle with seasonality_analysis(), and shows them in words, as a chart and as a table. The CSV file, named like s-p-500-seasonality-month-2026-11-07.csv, holds seasonality_csv(): a row per group.

Usage

mod_seasonality_server(id, history, dark_mode)

Arguments

id: Character. Module namespace id, must match the id used in mod_seasonality_ui().
history: Reactive returning the price history of the selected index, from mod_timeseries_server().
dark_mode: Reactive returning "light" or "dark", the mode of the app.

Value

None. Called for its side effect of registering the module server.

Examples

if (FALSE) { # \dontrun{
# inside app_server():
function(input, output, session) {
  dark_mode <- reactive(input$dark_mode)
  history <- mod_timeseries_server("timeseries", indices, dark_mode)
  mod_seasonality_server("seasonality", history, dark_mode)
}
} # }