a                       A pre-calibrated spline function needed to
                        translate the number of upper/lower records in
                        to signa-to-noise ratios.
estimateSNR             A moment-free estimator of the Sharpe
                        (signal-to-noise) ratio
f                       A pre-calibrated spline function needed to
                        translate the number of upper/lower records in
                        to signa-to-noise ratios.
sharpeRratio-package    A moment-free estimator of the Sharpe
                        (signal-to-noise) ratio
