Creates synthetic control plots showing actual vs synthetic unit comparisons, treatment effects over time, and unit weights. Includes gap plots and placebo test visualization.
Usage
plot_synthetic_control(
synth_results,
plot_type = "trends",
treatment_time = NULL,
show_treatment_period = TRUE,
show_inference = TRUE,
use_bw = FALSE,
line_size = 1.2,
point_size = 2,
ribbon_alpha = 0.3,
n_weights = 10,
weight_threshold = 0.01
)Arguments
- synth_results
List. Output from synthetic_control_method() function
- plot_type
Character. Type of plot: "trends", "gaps", "weights", "placebo", "all". Default: "trends"
- treatment_time
Numeric. Time when treatment began. Default: NULL (auto-detect)
- show_treatment_period
Logical. Highlight treatment period. Default: TRUE
- show_inference
Logical. Show inference confidence bands if available. Default: TRUE
- use_bw
Logical. Use black and white theme. Default: FALSE
- line_size
Numeric. Size of trend lines. Default: 1.2
- point_size
Numeric. Size of points. Default: 2
- ribbon_alpha
Numeric. Transparency for confidence ribbons. Default: 0.3
- n_weights
Integer. Maximum number of weights to show. Default: 10
- weight_threshold
Numeric. Minimum weight to display. Default: 0.01
Examples
if (FALSE) { # \dontrun{
# Basic synthetic control trends
synth_plot <- plot_synthetic_control(
synth_results = synth_estimation_results,
plot_type = "trends",
treatment_time = 2015
)
# Unit weights plot
weights_plot <- plot_synthetic_control(
synth_results = synth_estimation_results,
plot_type = "weights",
n_weights = 8
)
} # }