Methods defined for objects returned from the agree functions.

# S3 method for simple_agree
print(x, ...)

# S3 method for simple_agree
plot(
  x,
  type = 1,
  x_name = "x",
  y_name = "y",
  geom = "geom_point",
  smooth_method = NULL,
  smooth_se = TRUE,
  ...
)

check(x)

# S3 method for simple_agree
check(x)

Arguments

x

object of class simple_agree as returned from a function starting with 'agree'

...

further arguments passed through, see description of return value for details. agree_test.

type

Type of plot to output. Default (1) is Bland-Altman plot while type=2 will produce a line-of-identity plot.

x_name

Name/label for x values (first measurement)

y_name

Name/label for y values (second measurement)

geom

String naming the type of geometry to display the data points. Default is "geom_point". Other options include: "geom_bin2d", "geom_density_2d", "geom_density_2d_filled", and "stat_density_2d".

smooth_method

Smoothing method (function) to use, accepts either NULL or a character vector, e.g. "lm", "glm", "gam", "loess" or a function. Default is NULL, which will not include a trend line.

smooth_se

Display confidence interval around smooth?

Value

print

Prints short summary of the Limits of Agreement

plot

Returns a plot of the limits of agreement (type = 1) or concordance plot (type = 2)

check

Returns 2 plots, p_norm and p_het, testing the assumptions of a Bland-Altman analysis. P-values for the normality and heteroskedascity tests are provided as captions to the plot.