claim: The Ellen Show only stars Ellen DeGeneres.
evidence: A whitening transformation or sphering transformation is a linear transformation that transforms a vector of random variables with a known covariance matrix into a set of new variables whose covariance is the identity matrix meaning that they are uncorrelated and all have variance 1 .. linear transformation. linear transformation. random variables. random variables. covariance matrix. covariance matrix. identity matrix. identity matrix. uncorrelated. uncorrelated. variance. variance. The transformation is called `` whitening '' because it changes the input vector into a white noise vector .. white noise vector. white noise. Several other transformations are closely related to whitening  :. 1 -RRB- the decorrelation transform removes only the correlations but leaves variances intact ,. 2 -RRB- the standardization transform sets variances to 1 but leaves correlations intact , and. 3 -RRB- a coloring transformation transforms a vector of white random variables into a random vector. random variables. random variables. with a specified covariance matrix .. covariance matrix. covariance matrix