Plot the data and the change points for a fastcpd object

Usage

# S3 method for class 'fastcpd'
plot(
  x,
  color_max_count = Inf,
  data_point_alpha = 0.8,
  data_point_linewidth = 0.5,
  data_point_size = 1,
  legend_position = "none",
  panel_background = ggplot2::element_blank(),
  panel_border = ggplot2::element_rect(fill = NA, colour = "grey20"),
  panel_grid_major = ggplot2::element_line(colour = "grey98"),
  panel_grid_minor = ggplot2::element_line(colour = "grey98"),
  segment_separator_alpha = 0.8,
  segment_separator_color = "grey",
  segment_separator_linetype = "dashed",
  strip_background = ggplot2::element_rect(fill = "grey85", colour = "grey20"),
  xlab = NULL,
  ylab = NULL,
  ...
)

# S4 method for class 'fastcpd,missing'
plot(
  x,
  color_max_count = Inf,
  data_point_alpha = 0.8,
  data_point_linewidth = 0.5,
  data_point_size = 1,
  legend_position = "none",
  panel_background = ggplot2::element_blank(),
  panel_border = ggplot2::element_rect(fill = NA, colour = "grey20"),
  panel_grid_major = ggplot2::element_line(colour = "grey98"),
  panel_grid_minor = ggplot2::element_line(colour = "grey98"),
  segment_separator_alpha = 0.8,
  segment_separator_color = "grey",
  segment_separator_linetype = "dashed",
  strip_background = ggplot2::element_rect(fill = "grey85", colour = "grey20"),
  xlab = NULL,
  ylab = NULL,
  ...
)

Arguments

x: A fastcpd object.
color_max_count: Maximum number of colors to use for the plotting of segments.
data_point_alpha: Alpha of the data points.
data_point_linewidth: Linewidth of the data points.
data_point_size: Size of the data points.
legend_position: Position of the legend.
panel_background: Background of the panel.
panel_border: Border of the panel.
panel_grid_major: Major grid lines of the panel.
panel_grid_minor: Minor grid lines of the panel.
segment_separator_alpha: Alpha of the segment separator lines.
segment_separator_color: Color of the segment separator lines.
segment_separator_linetype: Linetype of the segment separator lines.
strip_background: Background of the strip.
xlab: Label for the x-axis.
ylab: Label for the y-axis.
...: Ignored.

Value

No return value, called for plotting.

Examples

if (requireNamespace("mvtnorm", quietly = TRUE)) {
  set.seed(1)
  p <- 1
  x <- mvtnorm::rmvnorm(300, rep(0, p), diag(p))
  theta_0 <- matrix(c(1, -1, 0.5))
  y <- c(
    x[1:100, ] * theta_0[1, ] + rnorm(100, 0, 1),
    x[101:200, ] * theta_0[2, ] + rnorm(100, 0, 1),
    x[201:300, ] * theta_0[3, ] + rnorm(100, 0, 1)
  )
  result <- fastcpd.lm(cbind(y, x), r.clock = "fastcpd_profiler")
  summary(result)
  plot(result)

  if (requireNamespace("RcppClock", quietly = TRUE)) {
    library(RcppClock)
    plot(fastcpd_profiler)
  }
}
#> 
#> Call:
#> fastcpd.lm(data = cbind(y, x), r.clock = "fastcpd_profiler")
#> 
#> Change points:
#> 100 201 
#> 
#> Cost values:
#> 48.16996 66.1816 45.66268 
#> 
#> Parameters:
#>   segment 1  segment 2 segment 3
#> 1 0.9520606 -0.8307605 0.4593161