hv_anndata.plotting.scanpy.ranking

hv_anndata.plotting.scanpy.ranking(adata, ref, /, n_points=10, *, include_lowest=True, label_dim=None)

Plot (e.g. PCA) score ranking.

Parameters:
adata AnnData

Annotated data matrix.

ref AdDim

Dimension containing scores to rank.

n_points int, default: 10

Number of points to plot.

include_lowest bool, default: True

Whether to include the lowest-scored names in addition to the highest-scored ones.

label_dim AdDim | None, default: None

Dimension to use for labels. The default is dim’s axis index (e.g. A.obs.index for A.obs["scores"]).

Return type:

Labels

Returns:

Holoviews plot with labels and points.

Examples

import hv_anndata.plotting.scanpy as hv_sc
from hv_anndata import data, register, A

register()

adata = data.pbmc68k_processed()
hv.Layout([
    hv_sc.ranking(adata, A.varm["PCs"][0]).opts(aspect=1.2),
    hv_sc.ranking(adata, A.varm["PCs"][0], include_lowest=False).opts(aspect=0.6),
]).opts(shared_axes=False)
import hv_anndata.plotting.scanpy as hv_sc
from hv_anndata import data, register, A

register()

adata = data.pbmc68k_processed()
hv.Layout([
    hv_sc.ranking(adata, A.varm["PCs"][0]).opts(aspect=1.2),
    hv_sc.ranking(adata, A.varm["PCs"][0], include_lowest=False).opts(aspect=0.6),
]).opts(shared_axes=False)
WARNING:param.main: Option 'angle' for Labels type not valid for selected backend ('matplotlib'). Option only applies to following backends: ['bokeh']
WARNING:param.main: Option 'text_align' for Labels type not valid for selected backend ('matplotlib'). Option only applies to following backends: ['bokeh']
WARNING:param.main: Option 'angle' for Labels type not valid for selected backend ('matplotlib'). Option only applies to following backends: ['bokeh']
WARNING:param.main: Option 'text_align' for Labels type not valid for selected backend ('matplotlib'). Option only applies to following backends: ['bokeh']
ValueError: Mapping a dimension to the "alpha" style option is not supported by the Points e ...
Traceback (most recent call last): File "/home/docs/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/mpl/chart.py", line 605, in get_data style = self._apply_transforms(element, ranges, style) File "/home/docs/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/mpl/element.py", line 723, in _apply_transforms raise ValueError(f'Mapping a dimension to the "{k}" ' ...<4 lines>... 'to overlay your data along the dimension.') ValueError: Mapping a dimension to the "alpha" style option is not supported by the Points element using the matplotlib backend. To map the "dot" dimension to the alpha use a groupby operation to overlay your data along the dimension.
import hv_anndata.plotting.scanpy as hv_sc
from hv_anndata import data, register, A

register()

adata = data.pbmc68k_processed()
hv.Layout([
    hv_sc.ranking(adata, A.varm["PCs"][0]).opts(aspect=1.2),
    hv_sc.ranking(adata, A.varm["PCs"][0], include_lowest=False).opts(aspect=0.6),
]).opts(shared_axes=False)
WARNING:param.main: Option 'angle' for Labels type not valid for selected backend ('plotly'). Option only applies to following backends: ['bokeh']
WARNING:param.main: Option 'text_align' for Labels type not valid for selected backend ('plotly'). Option only applies to following backends: ['bokeh']
WARNING:param.main: Option 'angle' for Labels type not valid for selected backend ('plotly'). Option only applies to following backends: ['bokeh']
WARNING:param.main: Option 'text_align' for Labels type not valid for selected backend ('plotly'). Option only applies to following backends: ['bokeh']
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/core/dimension.py:1381, in Dimensioned._repr_mimebundle_(self, include, exclude)
   1374 def _repr_mimebundle_(self, include=None, exclude=None):
   1375     """Resolves the class hierarchy for the class rendering the
   1376     object using any display hooks registered on Store.display
   1377     hooks.  The output of all registered display_hooks is then
   1378     combined and returned.
   1379 
   1380     """
-> 1381     return Store.render(self)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/core/options.py:1433, in Store.render(cls, obj)
   1431 data, metadata = {}, {}
   1432 for hook in hooks:
-> 1433     ret = hook(obj)
   1434     if ret is None:
   1435         continue

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/ipython/display_hooks.py:340, in pprint_display(obj)
    338 if not ip.display_formatter.formatters['text/plain'].pprint:
    339     return None
--> 340 return display(obj, raw_output=True)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/ipython/display_hooks.py:311, in display(obj, raw_output, **kwargs)
    309 elif isinstance(obj, (Layout, NdLayout, AdjointLayout)):
    310     with option_state(obj):
--> 311         output = layout_display(obj)
    312 elif isinstance(obj, (HoloMap, DynamicMap)):
    313     with option_state(obj):

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/ipython/display_hooks.py:205, in display_hook.<locals>.wrapped(element)
    203 try:
    204     max_frames = OutputSettings.options['max_frames']
--> 205     mimebundle = fn(element, max_frames=max_frames)
    206     if mimebundle is None:
    207         return {}, {}

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/ipython/display_hooks.py:274, in layout_display(layout, max_frames)
    271     max_frame_warning(max_frames)
    272     return None
--> 274 return render(layout)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/ipython/display_hooks.py:76, in render(obj, **kwargs)
     73 if renderer.fig == 'pdf':
     74     renderer = renderer.instance(fig='png')
---> 76 return renderer.components(obj, **kwargs)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/renderer.py:396, in Renderer.components(self, obj, fmt, comm, **kwargs)
    394 embed = (not (dynamic or streams or self.widget_mode == 'live') or config.embed)
    395 if embed or config.comms == 'default':
--> 396     return self._render_panel(plot, embed, comm)
    397 return self._render_ipywidget(plot)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/renderer.py:403, in Renderer._render_panel(self, plot, embed, comm)
    401 doc = Document()
    402 with config.set(embed=embed):
--> 403     model = plot.layout._render_model(doc, comm)
    404 if embed:
    405     return render_model(model, comm)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/panel/viewable.py:775, in Viewable._render_model(self, doc, comm)
    773 if comm is None:
    774     comm = state._comm_manager.get_server_comm()
--> 775 model = self.get_root(doc, comm)
    777 if self._design and self._design.theme.bokeh_theme:
    778     doc.theme = self._design.theme.bokeh_theme

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/panel/layout/base.py:332, in Panel.get_root(self, doc, comm, preprocess)
    328 def get_root(
    329     self, doc: Document | None = None, comm: Comm | None = None,
    330     preprocess: bool = True
    331 ) -> Model:
--> 332     root = super().get_root(doc, comm, preprocess)
    333     # ALERT: Find a better way to handle this
    334     if hasattr(root, 'styles') and 'overflow-x' in root.styles:

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/panel/viewable.py:705, in Renderable.get_root(self, doc, comm, preprocess)
    703 wrapper = self._design._wrapper(self)
    704 if wrapper is self:
--> 705     root = self._get_model(doc, comm=comm)
    706     if preprocess:
    707         self._preprocess(root)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/panel/layout/base.py:316, in Panel._get_model(self, doc, root, parent, comm)
    314 root = root or model
    315 self._models[root.ref['id']] = (model, parent)
--> 316 objects, _ = self._get_objects(model, [], doc, root, comm)
    317 props = self._get_properties(doc)
    318 props[self._property_mapping['objects']] = objects

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/panel/layout/base.py:298, in Panel._get_objects(self, model, old_objects, doc, root, comm)
    296 else:
    297     try:
--> 298         child = pane._get_model(doc, root, model, comm)
    299     except RerenderError as e:
    300         if e.layout is not None and e.layout is not self:

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/panel/pane/holoviews.py:494, in HoloViews._get_model(self, doc, root, parent, comm)
    492     plot = self.object
    493 else:
--> 494     plot = self._render(doc, comm, root)
    496 plot.pane = self
    497 backend = plot.renderer.backend

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/panel/pane/holoviews.py:588, in HoloViews._render(self, doc, comm, root)
    585     if comm:
    586         kwargs['comm'] = comm
--> 588 return renderer.get_plot(self.object, **kwargs)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/renderer.py:239, in Renderer.get_plot(self_or_cls, obj, doc, renderer, comm, **kwargs)
    236     defaults = [kd.default for kd in plot.dimensions]
    237     init_key = tuple(v if d is None else d for v, d in
    238                      zip(plot.keys[0], defaults, strict=None))
--> 239     plot.update(init_key)
    240 else:
    241     plot = obj

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plot.py:958, in DimensionedPlot.update(self, key)
    956 def update(self, key):
    957     if len(self) == 1 and key in (0, self.keys[0]) and not self.drawn:
--> 958         return self.initialize_plot()
    959     item = self.__getitem__(key)
    960     self.traverse(lambda x: setattr(x, '_updated', True))

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plotly/plot.py:51, in PlotlyPlot.initialize_plot(self, ranges, is_geo)
     50 def initialize_plot(self, ranges=None, is_geo=False):
---> 51     return self.generate_plot(self.keys[-1], ranges, is_geo=is_geo)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plotly/plot.py:206, in LayoutPlot.generate_plot(self, key, ranges, is_geo)
    204 subplot = self.subplots.get((r, c), None)
    205 if subplot is not None:
--> 206     subplots = subplot.generate_plot(key, ranges=ranges, is_geo=is_geo)
    208     # Computes plotting offsets depending on
    209     # number of adjoined plots
    210     offset = sum(r >= ir for ir in insert_rows)

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plotly/plot.py:276, in AdjointLayoutPlot.generate_plot(self, key, ranges, is_geo)
    273     # If no view object or empty position, disable the axis
    274     if subplot:
    275         adjoined_plots.append(
--> 276             subplot.generate_plot(key, ranges=ranges, is_geo=is_geo)
    277         )
    278 if not adjoined_plots: adjoined_plots = [None]
    279 return adjoined_plots

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plotly/element.py:746, in OverlayPlot.generate_plot(self, key, ranges, element, is_geo)
    743 # propagate plot options to subplots
    744 subplot.param.update(**plot_opts)
--> 746 fig = subplot.generate_plot(key, ranges, el, is_geo=is_geo)
    747 if figure is None:
    748     figure = fig

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plotly/element.py:186, in ElementPlot.generate_plot(self, key, ranges, element, is_geo)
    184 # Get data and options and merge them
    185 data = self.get_data(element, ranges, style, is_geo=is_geo)
--> 186 opts = self.graph_options(element, ranges, style, is_geo=is_geo)
    188 components = {
    189     'traces': [],
    190     'images': [],
    191     'annotations': [],
    192     'shapes': [],
    193 }
    195 for i, d in enumerate(data):
    196     # Initialize traces

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plotly/chart.py:68, in ScatterPlot.graph_options(self, element, ranges, style, **kwargs)
     67 def graph_options(self, element, ranges, style, **kwargs):
---> 68     opts = super().graph_options(element, ranges, style, **kwargs)
     69     cdim = element.get_dimension(self.color_index)
     70     if cdim:

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plotly/element.py:256, in ElementPlot.graph_options(self, element, ranges, style, is_geo, **kwargs)
    252     opts.update(
    253         showlegend=self.show_legend, legendgroup=element.group+'_'+legend) # make legendgroup unique for single trace enable/disable
    255 if self._style_key is not None:
--> 256     styles = self._apply_transforms(element, ranges, style)
    258     # If style starts with '{_style_key}_', remove the prefix.  This way
    259     # a line_color property with self._style_key of 'line' doesn't end up
    260     # as `line_line_color`
    261     key_prefix_re = re.compile('^' + self._style_key + '_')

File ~/.local/share/hatch/env/virtual/hv-anndata/STk7F69l/docs/lib/python3.13/site-packages/holoviews/plotting/plotly/element.py:381, in ElementPlot._apply_transforms(self, element, ranges, style)
    379     if k in self._nonvectorized_styles:
    380         element = type(element).__name__
--> 381         raise ValueError(f'Mapping a dimension to the "{k}" '
    382                          'style option is not supported by the '
    383                          f'{element} element using the {self.renderer.backend} '
    384                          f'backend. To map the "{v.dimension}" dimension '
    385                          f'to the {k} use a groupby operation '
    386                          'to overlay your data along the dimension.')
    388 # If color is not valid colorspec add colormapper
    389 numeric = isinstance(val, np.ndarray) and dtype_kind(val) in 'uifMm'

ValueError: Mapping a dimension to the "alpha" style option is not supported by the Points element using the plotly backend. To map the "dot" dimension to the alpha use a groupby operation to overlay your data along the dimension.
:Layout
   .Overlay.I  :Overlay
      .Labels.I :Labels   [rank,score]   (text,align)
      .Points.I :Points   [rank,score]   (text,dot)
   .Overlay.II :Overlay
      .Labels.I :Labels   [rank,score]   (text,align)
      .Points.I :Points   [rank,score]   (text,dot)