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facet_stages

facet_stages.Rd

facet_stages

Usage

facet_stages(df, split_rows, plotChart = TRUE, ...)

Arguments

df

A data frame. For an XMR, C or C' chart, must have columns for:

  • the subgrouping variable, to be plotted on the horizontal axis, (x);

  • the variable of interest to be plotted on the vertical axis (y);

  • and optionally, a title and subtitle for the plot.


For a P or P' chart, must have columns for:

  • the subgrouping variable, to be plotted on the horizontal axis, (x);

  • the total count or denominator (n);

  • the count meeting criteria, or numerator (y);

  • and optionally, a title and subtitle for the plot.

split_rows

A vector of row numbers specifying the stages to display results at. Names specify facet strip labels.

plotChart

Boolean specifying whether to plot the chart. If not, the data is returned with centre line, control limits and other analytic output appended as columns.

...

Arguments passed to plot_auto_SPC()

Value

Faceted plot showing results of plot_auto_SPC() at different stages as specified by split_rows

Examples

# Show progression of C' chart for count of monthly attendances over time
facet_stages(
  ed_attendances_monthly,
  split_rows = c(30L, 60L, 90L),
  chartType = "C'",
  x = Month_Start,
  y = Att_All, 
  x_break = 365
)
#> Registered S3 methods overwritten by 'ggpp':
#>   method                  from   
#>   heightDetails.titleGrob ggplot2
#>   widthDetails.titleGrob  ggplot2