## Arguments

- x
(

`numeric`

)

reference method.- y
(

`numeric`

)

test method.- type
(

`integer`

)

integer specifying a specific difference for Bland-Altman (default is 3). Possible choices are: 1 - difference with X vs. Y-X (absolute differences). 2 - difference with X vs. (Y-X)/X (relative differences). 3 - difference with 0.5*(X+Y) vs. Y-X (absolute differences). 4 - difference with 0.5*(X+Y) vs. (Y-X)/X (relative differences). 5 - difference with 0.5*(X+Y) vs. (Y-X)/(0.5*(X+Y)) (relative differences).