Exact(2)
At first the data were preprocessed and then PCA were applied to determine the maximum variability directions of elements in the area.
Besides, PLS-DA is preferred to PCA for sample discrimination because the dimension reduction provided by PLS is explicitly guided by variability among groups, whereas PCA can identify only gross variability directions and is incapable of distinguishing variability that occurs among groups and within groups (Quintás et al. 2012).
Similar(58)
The main focus of the work is to investigate the variability of wave directions during sea storms.
That work clearly demonstrates that a new method that incorporates sub-grid scale variability in flow directions is required for routing flow between large-scale model sub-grids.
Image analysis is used to characterise variability in tow directions and unit cell size in a pre-impregnated carbon/epoxy satin weave textile.
There was high inter-patient variability in all directions, shown by the SDs, which far exceeded the MTE and MRE.
Although there appeared to be a general trend for cells to move toward the direction of the light source, there was significant variability in the direction of movement (Figure 1).
Yield data from experiments in 2010 were replicated, whereas data from trials in 2009 were adjusted means from an alpha lattice incomplete block design with adjustment for spatial variability in the direction of rows and columns using the autoregressive model fitted in both directions.
It is possible that the failure to find a relationship in the left-to-right group for time before changing direction and variability in time before changing direction for accuracy may be accounted for by the shorter time and distance between turns that participants had to make when moving left to right than top to bottom.
Also, mesoscale wind direction variability is included.
Due to the observed variability in the direction of maximum stiffness, the average Fung models were less anisotropic than the specimen-specific models.
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