例三
pca3d( pca, group= metabo[,1],
fancy= TRUE, bg= "black",
#fancy= TRUE,是展示标签、阴影、形心、分组标签...例四
pca3d( pca, group= metabo[,1],
fancy=FALSE, bg= "white",
axes.color= "blue", new=TRUE...例五
pca3d( pca, group= metabo[,1],
fancy=FALSE, bg= "white",
axes.color= "blue", new=TRUE...例六
pca3d( pca, group= metabo[,1],
fancy=FALSE, bg= "white",
axes.color= "blue", new=TRUE