View source: R/area_under_curve.R
area_under_curve  R Documentation 
Based on the DescTools AUC
function. It can calculate the area under the
curve with a naive algorithm or a more elaborated spline approach. The curve
must be given by vectors of xycoordinates. This function can handle unsorted
x values (by sorting x) and ties for the x values (by ignoring duplicates).
area_under_curve(x, y, method = c("trapezoid", "step", "spline"), ...)
auc(x, y, method = c("trapezoid", "step", "spline"), ...)
x 
Vector of x values. 
y 
Vector of y values. 
method 
Method to compute the Area Under the Curve (AUC). Can be

... 
Arguments passed to or from other methods. 
DescTools
library(bayestestR)
posterior < distribution_normal(1000)
dens < estimate_density(posterior)
dens < dens[dens$x > 0, ]
x < dens$x
y < dens$y
area_under_curve(x, y, method = "trapezoid")
area_under_curve(x, y, method = "step")
area_under_curve(x, y, method = "spline")
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