Bland-Altman plot

Source: R/ba_plot.R

Plot Bland-Altman statistics

ba_plot(
  data = stop("data must be specified"),
  var1 = stop("variable must be specified"),
  var2 = stop("variable must be specified"),
  label = NULL,
  group = NULL,
  colour = NULL,
  shape = NULL,
  xlab = "Average",
  ylab = "Difference",
  title = NULL,
  caption = NULL,
  alpha = 0.05
)

Arguments

data

A data frame

var1

1st variable to compare (unquoted)

var2

2nd variable to compare (unquoted)

label

data label (unquote)

group

grouping variable used for faceting (unquoted)

colour

colour asthetic for scatter points (unquoted)

shape

shape asthetic for scatter points (unquoted)

xlab

The text for the x-axis label

ylab

The text for the y-axis label

title

plot title

caption

plot caption

alpha

alpha level for the intervals

Value

ggplot2::ggplot object

See also

ba_stat

Examples

library(tidyr)
tbl <- temperature %>% pivot_wider(names_from = method, values_from = temperature)

# simple example
ba_plot(data = tbl, var1 = infrared, var2 = rectal)


# with colors
ba_plot(data = tbl, var1 = infrared, var2 = rectal, colour = visit)


# with colors and faceting
ba_plot(data = tbl, var1 = infrared, var2 = rectal, group = treatment, colour = visit)