scoreD15TCDS {CVD} | R Documentation |
Total Color Difference Score (TCDS) for the D-15 tests
Description
scoreD15TCDS
computes the Total Color Difference Score
(TCDS) for the D-15 test, from Bowman's (1982). The input is either a vector
of RGB colors or cap positions.
Usage
scoreD15TCDS(userD15colors=NULL,userD15values=NULL,
distTable = get("BowmanTCDS", envir = environment()),
D15colors = get("FarnsworthD15", envir = environment()))
Arguments
userD15colors |
RGB colors chosen by tester |
userD15values |
position values chosen by tester |
distTable |
distance table - matrix with the color distances |
D15colors |
RGB colors for the CVD test |
Value
TCDS |
Total Color Difference Score (TCDS) |
Author(s)
Jose Gama
References
Bowman's (1982) Total Color Difference Score (TCDS) for congenitally defective observers on the D-15 with enlarged tests. K.J. Bowman, A method for quantitative scoring of the Farnsworth Panel D-15, Acta Ophthalmologica, 60 (1982), pp. 907–916
Examples
# a "perfect" score
## Not run:
scoreD15TCDS(userD15values=1:15)
## End(Not run)
[Package CVD version 1.0.2 Index]