Found the following significant warnings:

  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * qnorm(1 - alpha/2) * sqrt((w1$est^2 * w1$w %*% w1$Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * qnorm(1 - alpha/2) * sqrt((w1$est^2 * w1$w %*% w1$Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * qnorm(1 - alpha/2) * sqrt((w1$est^2 * w1$w %*% w1$Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * qnorm(1 - alpha/2) * sqrt((w1$est^2 * w1$w %*% w1$Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * qnorm(1 - alpha/2) * sqrt((w1$est^2 * w1$w %*% w1$Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * qnorm(1 - alpha/2) * sqrt((w1$est^2 * w1$w %*% w1$Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * qnorm(1 - alpha/2) * sqrt((w1$est^2 * w1$w %*% w1$Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * gammaEst * qnorm(1 - alpha/2) * sqrt(t(w) %*% Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
  Warning in c(-1, 1) * qnorm(1 - alpha/2) * sqrt((w1$est^2 * w1$w %*% w1$Sigma %*%  : Recycling array of length 1 in vector-array arithmetic is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.