pca_biplot: PCA Bi-plot
In Lightbridge-KS/lbmod: Statistic & Modeling Function

pca_biplot

R Documentation

PCA Bi-plot

Description

Plot PCA bi-plot from recipe object that has step_pca

Usage

pca_biplot(
  pca_recipe,
  mapping = NULL,
  x = PC1,
  y = PC2,
  include_vars = NULL,
  alpha = 0.8,
  size = 2,
  geom_type_scatter = geom_point,
  x_origin = 0,
  y_origin = 0,
  arrow_scale = 1,
  color_arrow = "black",
  geom_label_fun = ggplot2::geom_label,
  geom_label_args = list(color = "midnightblue"),
  ...
)

Arguments

`pca_recipe`	Object class recipe that already `step_pca`
`mapping`	`ggplot2` aesthetic mapping (passed to `geom_point`)
`x`	unquoted name to specify which principle component to plot in x-axis (must be one of PC1, PC2, PC3, ... ,etc.)
`y`	unquoted name to specify which principle component to plot in y-axis (must be one of PC1, PC2, PC3, ... ,etc.)
`alpha`	point transparency (passed to `geom_point`)
`size`	size of point (passed to `geom_point`)
`geom_type_scatter`	(unquoted name) Type of scatter plot: `geom_point` or `geom_text`
`x_origin`	(numeric) x-origin of the arrow (passed to `lbmod::geom_arrow_pca`)
`y_origin`	(numeric) y-origin of the arrow (passed to `lbmod::geom_arrow_pca`)
`arrow_scale`	(numeric) scale factor of the arrow (passed to `lbmod::geom_arrow_pca`)
`color_arrow`	(character) color of the arrow (passed to `lbmod::geom_arrow_pca`)
`...`	passed to `geom_point`
`geom_type`	unquoted name of geom to use, must be one of `geom_label`, `geom_label_repel`, `geom_text`, or `geom_text_repel`
`hjust`	(numeric) passed to `geom_text` or `geom_label`
`vjust`	(numeric) passed to `geom_text` or `geom_label`
`size_txt`	(numeric) size of `geom_text` or `geom_label`
`color`	(character) color of `geom_text` or `geom_label`
`check_overlap`	passed to `geom_text`
`label.padding`	passed to `geom_label`
`label.r`	passed to `geom_label`
`label.size`	passed to `geom_label`
`segment.color`	color of the segment, `NA` for no line segment (passed to `geom_label_repel` or `geom_text_repel`)
`min.segment.length`	minimum length that will draw line segment (passed to `geom_label_repel` or `geom_text_repel`)
`force`	pushing force for overlapping label (passed to `geom_label_repel` or `geom_text_repel`)
`force_pull`	pulling force to data points (passed to `geom_label_repel` or `geom_text_repel`)
`max.overlaps`	maximum label overlapping (passed to `geom_label_repel` or `geom_text_repel`)
`size_ggrepel`	size of the label (passed to `geom_label_repel` or `geom_text_repel`)