V1.rda: vertices needed for 49 triangles
Tr1.rda: coordinates of 49 triangles used to set up the simulation study
V2.rda: vertices needed for 80 triangles
Tr2.rda: coordinates of 80 triangles used to set up the simulation study
V3.rda: vertices needed for 144 triangles
Tr3.rda: coordinates of 144 triangles used to set up the simulation study
source_functions.R: functions that are sourced into the main function
sim_data: sample simulated data
main.R: main function to carry out IDE and NDE estimation as well as bootstrapping for standard error