Research Article

Nonparametric Monitoring for Geotechnical Structures Subject to Long-Term Environmental Change

Figure 7

The statistics of the first eigenvector of the PCA mode shapes for different window sizes (i.e., number of days). The statistics were obtained using the data in year 2005 (before the lower tilt gauge was damaged).
275270.fig.007a
(a) Top
275270.fig.007b
(b) Middle
275270.fig.007c
(c) Lower