pseudo
``nxoe - (n-1)xjne[i]``, where n is the number of observations, oe= original estimate and ``jne[i]`` is the ith leave one out estimate
@return an array containing the jackknife pseudo-values
``nxoe - (n-1)xjne[i]``, where n is the number of observations, oe= original estimate and ``jne[i]`` is the ith leave one out estimate
@return an array containing the jackknife pseudo-values