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%- Also NEED an '\alias' for EACH other topic documented here.
\title{ Remove an undesirable observation. }
  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)
%- maybe also 'usage' for other objects documented here.
  \item{datum}{ The data set. Should be an array. }
  \item{i}{ The index in the matrix of the data to be removed. }

  Return the new data set without the observation that was removed.
\author{ Daniela R. Recchia, Emanuel P. Barbosa }
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)
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