embeddingPlot-methods: embeddingPlot generic Plot embedding with provided labels /...

In sccore: Core Utilities for Single-Cell RNA-Seq

embeddingPlot generic Plot embedding with provided labels / colors using ggplot2

Description

embeddingPlot generic Plot embedding with provided labels / colors using ggplot2

Plot embedding with provided labels / colors using ggplot2

Plot embedding from Seurat object

Usage

embeddingPlot(object, ...)

## S4 method for signature 'ANY'
embeddingPlot(
  object,
  groups = NULL,
  colors = NULL,
  subgroups = NULL,
  plot.na = is.null(subgroups),
  min.cluster.size = 0,
  mark.groups = TRUE,
  show.legend = FALSE,
  alpha = 0.4,
  size = 0.8,
  title = NULL,
  plot.theme = NULL,
  palette = NULL,
  color.range = "symmetric",
  font.size = c(3, 7),
  show.ticks = FALSE,
  show.labels = FALSE,
  legend.position = NULL,
  legend.title = NULL,
  gradient.range.quantile = 1,
  raster = FALSE,
  raster.dpi = 300,
  shuffle.colors = FALSE,
  keep.limits = !is.null(subgroups),
  ...
)

## S4 method for signature 'Seurat'
embeddingPlot(object, reduction = NULL, groups = NULL, colors = NULL, ...)

Arguments

object	Seurat object
...	Arguments passed on to ggrepel::geom_label_repel mapping Set of aesthetic mappings created by aes or aes_. If specified and inherit.aes = TRUE (the default), is combined with the default mapping at the top level of the plot. You only need to supply mapping if there isn't a mapping defined for the plot. data A data frame. If specified, overrides the default data frame defined at the top level of the plot. stat The statistical transformation to use on the data for this layer, as a string. position Position adjustment, either as a string, or the result of a call to a position adjustment function. parse If TRUE, the labels will be parsed into expressions and displayed as described in ?plotmath box.padding Amount of padding around bounding box, as unit or number. Defaults to 0.25. (Default unit is lines, but other units can be specified by passing unit(x, "units")). label.padding Amount of padding around label, as unit or number. Defaults to 0.25. (Default unit is lines, but other units can be specified by passing unit(x, "units")). point.padding Amount of padding around labeled point, as unit or number. Defaults to 0. (Default unit is lines, but other units can be specified by passing unit(x, "units")). label.r Radius of rounded corners, as unit or number. Defaults to 0.15. (Default unit is lines, but other units can be specified by passing unit(x, "units")). label.size Size of label border, in mm. min.segment.length Skip drawing segments shorter than this, as unit or number. Defaults to 0.5. (Default unit is lines, but other units can be specified by passing unit(x, "units")). arrow specification for arrow heads, as created by arrow force Force of repulsion between overlapping text labels. Defaults to 1. force_pull Force of attraction between a text label and its corresponding data point. Defaults to 1. max.time Maximum number of seconds to try to resolve overlaps. Defaults to 0.5. max.iter Maximum number of iterations to try to resolve overlaps. Defaults to 10000. max.overlaps Exclude text labels when they overlap too many other things. For each text label, we count how many other text labels or other data points it overlaps, and exclude the text label if it has too many overlaps. Defaults to 10. nudge_x,nudge_y Horizontal and vertical adjustments to nudge the starting position of each text label. The units for nudge_x and nudge_y are the same as for the data units on the x-axis and y-axis. xlim,ylim Limits for the x and y axes. Text labels will be constrained to these limits. By default, text labels are constrained to the entire plot area. na.rm If FALSE (the default), removes missing values with a warning. If TRUE silently removes missing values. direction "both", "x", or "y" – direction in which to adjust position of labels seed Random seed passed to set.seed. Defaults to NA, which means that set.seed will not be called. verbose If TRUE, some diagnostics of the repel algorithm are printed inherit.aes If FALSE, overrides the default aesthetics, rather than combining with them. This is most useful for helper functions that define both data and aesthetics and shouldn't inherit behaviour from the default plot specification, e.g. borders.
groups	vector of cluster labels, names contain cell names (default=NULL)
colors	vector of numbers, which must be shown with point colors, names contain cell names (default=NULL). This argument is ignored if groups are provided.
subgroups	subset of 'groups', selecting the cells for plot (default=NULL). Ignored if 'groups' is NULL
plot.na	boolean/numeric Whether to plot points, for which groups / colors are missed (default=is.null(subgroups), i.e. FALSE). If plot.na passed a numeric value below 0, the NA symbols are plotted below the cells. Otherwise if values >=0, they’re plotted above the cells. Note that this argument is FALSE if 'subgroups' is NULL
min.cluster.size	labels for all groups with number of cells fewer than this parameter are considered as missed (default=0). This argument is ignored if groups aren't provided
mark.groups	plot cluster labels above points (default=TRUE)
show.legend	show legend (default=FALSE)
alpha	opacity level [0, 1] (default=0.4)
size	point size (default=0.8)
title	plot title (default=NULL)
plot.theme	theme for the plot (default=NULL)
palette	vector or list or function (default=NULL). Accepts number of colors and return list of colors (i.e. see 'colorRampPalette') (default=NULL)
color.range	controls range, in which colors are estimated (default="symmetric"). Pass "all" to estimate range based on all values of "colors", pass "data" to estimate it only based on colors, presented in the embedding. Alternatively you can pass vector of length 2 with (min, max) values.
font.size	font size for cluster labels (default=c(3, 7)). It can either be single number for constant font size or pair (min, max) for font size depending on cluster size
show.ticks	show ticks and tick labels (default=FALSE)
show.labels	show labels (default=FALSE)
legend.position	vector with (x, y) positions of the legend (default=NULL)
legend.title	legend title (default=NULL)
gradient.range.quantile	Winsorization quantile for the numeric colors and gene gradient (default=1)
raster	boolean whether layer with the points be rasterized (default=FALSE). Setting of this argument to TRUE is useful when you need to export a plot with large number of points
raster.dpi	dpi of the rasterized plot. (default=300). Ignored if raster == FALSE.
shuffle.colors	shuffle colors (default=FALSE)
keep.limits	Keep axis limits from original plot (default=!is.null(subgroups)). Useful when plotting subgroups, only meaningful it plot.na=FALSE
reduction	Reduction to use for embedding (default=NULL)

Value

ggplot2 object

ggplot2 object

Examples

library(sccore)
embeddingPlot(umapEmbedding, show.ticks=TRUE, show.labels=TRUE, title="UMAP embedding")

## Not run: 
# so = example Seurat object
embeddingPlot(so, groups="seurat_clusters", reduction="umap")

## End(Not run)

sccore documentation built on April 14, 2025, 1:08 a.m.