This function removes an undesirable data that might be out of control in you data set. It is used at Hotelling T2 control charts for phase I.
remove.data(datum, i)
datum | The data set. Should be an array. |
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i | The index in the matrix of the data to be removed. |
Return the new data set without the observation that was removed.
mu <- c(5.682, 88.22) Sigma <- symMatrix(c(3.770, -5.495, 13.53), 2) datum <- data.1(20, 10, mu, Sigma) # Removing the observatiob 13 from the data set "datum" and updating it: datum <- remove.data(datum, 13)