> dd[1] 0.50 0.58 0.16 0.52 0.59 0.54 0.53 0.46> fitdist(dd, distr="beta", method = "mle",start=NULL, fix.arg=NULL)$estimate[1] Error in fitdist(dd, distr = "beta", method = "mle", start = NULL, fix.arg = NULL) :   the function mle failed to estimate the parameters,                 with the error code 1


当向量如dd时会报错，不知道是什么原因？
多谢！