Plot Outlier Series for a Single Region and Indicator

This method visualizes the time series of a specific indicator for a single region or district. It highlights outlier points beyond 5 MAD from the median.

Usage

# S3 method for class 'cd_outlier_list'
plot(x, region = NULL)

Arguments

x

A cd_outlier_list object, typically from list_outlier_units().

region

Character. Name of the region or district to plot.

Value

A ggplot object.

Details

• The plot includes:

  • Observed indicator values (green line and dots)

  • Median trend (cyan dashed line)

  • Shaded band for the 5×MAD threshold

  • Red points for flagged outliers

This is intended for diagnostic plots during indicator validation or quality checks.

Examples

if (FALSE) { # \dontrun{
  # Visualize outliers for 'pcv1' in Nakuru
  dt %>%
    list_outlier_units("pcv1") %>%
    plot(region = "Nakuru")
} # }