Sentences with phrase «first eigenvector»

The first eigenvector of the covariance matrix for this simulation is the red curve in Figure 9 - 2, showing the precise form of the spurious trend that the principal component would introduce into the fitted model in this case.

c now determine suggested number of EOFs in training c based on rule N applied to the proxy data alone c during the interval t > iproxmin (the minimum c year by which each proxy is required to have started, c note that default is iproxmin = 1820 if variable c proxy network is allowed (latest begin date c in network) c c we seek the n first eigenvectors whose eigenvalues c exceed 1 / nproxy» c c nproxy» is the effective climatic spatial degrees of freedom c spanned by the proxy network (typically an appropriate c estimate is 20 - 40)