R. San Martín

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The presence of clusters in a data set is sometimes due to the existence of certain relations among the measured variables which vary depending on some hidden factors. In these cases, observations could be grouped in a natural way around linear and nonlinear structures and, thus, the problem of doing robust clustering around linear affine subspaces has(More)
Straight-stemmed populations of Pinus pinaster under mechanical stress allocate more biomass to the stem relative to the branches and show greater variability in the roots than twisted-stemmed populations. Pinus pinaster Ait. has a tendency to exhibit stem flexuosity that negatively affects the quality of its wood and its productivity. There is a wide(More)
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