ivInf <- IVinference(as.xts(X5minET500[, list(time, open)]), IVestimator= "rMinRV",IQestimator = "rMedRQ", confidence = 0.95, makeReturns = TRUE)
错误: Must subset columns with a valid subscript vector.
x Subscript `list(time, open)` has the wrong type `list`.
i It must be logical, numeric, or character