This function calculates CCFI for an L-Mode curve
CalculateLModeCCFI(curve.x, curve.y, curve.dim.x, curve.dim.y, curve.cat.x, curve.cat.y)
Empirical data curve, x
Empirical data curve, y
Average curve for dimensional comparison data, x
Average curve for dimensional comparison data, y
Average curve for categorical comparison data, x
Average curve for categorical comparison data, y
CCFI value
Called by higher-order functions; users do not need to call this function directly.