Try It Yourself - SyntaxStudy Editor

HTML / CSS / JS

# --- Parameterised report YAML ---
# ---
# title:  "Regional Sales Report: `r params$region`"
# author: "Analytics Team"
# date:   "`r Sys.Date()`"
# output: html_document
# params:
#   region:
#     label: "Select region"
#     value: "North"
#     input: select
#     choices: [North, South, East, West]
#   year:
#     label: "Fiscal year"
#     value: 2024
#     input: slider
#     min:   2020
#     max:   2025
#     step:  1
# ---

# --- Accessing params inside the document ---
# ```{r filter-data}
# sales_region <- sales |>
#   filter(region == params$region,
#          year   == params$year)
# cat("Rows for", params$region, "in", params$year, ":", nrow(sales_region))
# ```

# --- Batch rendering (in a separate R script) ---
# library(purrr)
# regions <- c("North", "South", "East", "West")
# walk(regions, function(reg) {
#   rmarkdown::render(
#     input       = "regional_report.Rmd",
#     output_file = paste0("report_", reg, ".html"),
#     params      = list(region = reg, year = 2024)
#   )
# })

# --- Quarto equivalent (.qmd) YAML ---
# ---
# title:  "My Quarto Report"
# format: html
# params:
#   region: "North"
# execute:
#   echo:    true
#   warning: false
# ---
#
# ```{r}
# #| label: fig-scatter
# #| fig-cap: "MPG vs Weight"
# library(ggplot2)
# ggplot(mtcars, aes(x = wt, y = mpg)) + geom_point()
# ```