Principal Component Analysis (PCA), which is used to summarize the information contained in a continuous (i.e, quantitative) multivariate data by reducing the dimensionality of the data without ...

Note that you will need the latest version of ggplot2 (2.0.0) for any of the functions to work properly. The ggnet2 function is fully documented in this vignette. The data for one of the examples, a ...

BAC-02, BAC-03, and BAC-07 occupied an intermediate region of the biplot, while the remaining treatments were more dispersed and tended toward negative scores for the evaluated variables. These trends ...

Ordination results were visualized using ggplot2 package (23). Convex hull polygons were used to represent species-specific group dispersion, and biplot vectors were used to indicate the contribution ...