export("createTestData","runGls","runSlopes","SPCDbinary",
       "SPCDcontinuous","SPCDPower","placeboNonResponder","createTestData")
importFrom("stats", "na.omit", "pchisq", "pf", "pnorm", "qnorm","rnorm",
             "rbinom", "uniroot")
importFrom("plyr","ddply")
importFrom("lme4","lmer")
importFrom("nlme","gls")
