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<!DOCTYPE html>

<head>

<title>plotly.graph_objects.Violin — 4.6.0 documentation</title>

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<li><a class="reference internal" href="#"><code class="xref py py-mod docutils literal notranslate">plotly.graph_objects</code>.Violin</a></li>

<li><a class="reference internal" href="#id1"><code class="xref py py-mod docutils literal notranslate">plotly.graph_objects</code>.violin</a></li>

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<h1><a class="reference internal" href="plotly.graph_objects.html#module-plotly.graph_objects" title="plotly.graph_objects"><code class="xref py py-mod docutils literal notranslate">plotly.graph_objects</code></a>.Violin<a class="headerlink" href="#plotly-graph-objs-violin" title="Permalink to this headline">¶</a></h1>

class <code class="sig-prename descclassname">plotly.graph_objects.</code><code class="sig-name descname">Violin</code>(arg=None, alignmentgroup=None, bandwidth=None, box=None, customdata=None, customdatasrc=None, fillcolor=None, hoverinfo=None, hoverinfosrc=None, hoverlabel=None, hoveron=None, hovertemplate=None, hovertemplatesrc=None, hovertext=None, hovertextsrc=None, ids=None, idssrc=None, jitter=None, legendgroup=None, line=None, marker=None, meanline=None, meta=None, metasrc=None, name=None, offsetgroup=None, opacity=None, orientation=None, pointpos=None, points=None, scalegroup=None, scalemode=None, selected=None, selectedpoints=None, showlegend=None, side=None, span=None, spanmode=None, stream=None, text=None, textsrc=None, uid=None, uirevision=None, unselected=None, visible=None, width=None, x=None, x0=None, xaxis=None, xsrc=None, y=None, y0=None, yaxis=None, ysrc=None, **kwargs)<a class="headerlink" href="#plotly.graph_objects.Violin" title="Permalink to this definition">¶</a></dt>

<code class="sig-name descname">__init__</code>(arg=None, alignmentgroup=None, bandwidth=None, box=None, customdata=None, customdatasrc=None, fillcolor=None, hoverinfo=None, hoverinfosrc=None, hoverlabel=None, hoveron=None, hovertemplate=None, hovertemplatesrc=None, hovertext=None, hovertextsrc=None, ids=None, idssrc=None, jitter=None, legendgroup=None, line=None, marker=None, meanline=None, meta=None, metasrc=None, name=None, offsetgroup=None, opacity=None, orientation=None, pointpos=None, points=None, scalegroup=None, scalemode=None, selected=None, selectedpoints=None, showlegend=None, side=None, span=None, spanmode=None, stream=None, text=None, textsrc=None, uid=None, uirevision=None, unselected=None, visible=None, width=None, x=None, x0=None, xaxis=None, xsrc=None, y=None, y0=None, yaxis=None, ysrc=None, **kwargs)<a class="headerlink" href="#plotly.graph_objects.Violin.__init__" title="Permalink to this definition">¶</a></dt>

<dd>Construct a new Violin object

In vertical (horizontal) violin plots, statistics are computed

using <code class="docutils literal notranslate">y</code> (<code class="docutils literal notranslate">x</code>) values. By supplying an <code class="docutils literal notranslate">x</code> (<code class="docutils literal notranslate">y</code>) array, one

violin per distinct x (y) value is drawn If no <code class="docutils literal notranslate">x</code> (<code class="docutils literal notranslate">y</code>) list

is provided, a single violin is drawn. That violin position is

then positioned with with <code class="docutils literal notranslate">name</code> or with <code class="docutils literal notranslate">x0</code> (<code class="docutils literal notranslate">y0</code>) if

provided.

<dt class="field-odd">Parameters</dt>

<li>arg – dict of properties compatible with this constructor or

an instance of <a class="reference internal" href="#plotly.graph_objects.Violin" title="plotly.graph_objects.Violin"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.Violin</code></a></li>

<li>alignmentgroup – Set several traces linked to the same position axis or

matching axes to the same alignmentgroup. This controls

whether bars compute their positional range dependently

or independently.</li>

<li>bandwidth – Sets the bandwidth used to compute the kernel density

estimate. By default, the bandwidth is determined by

Silverman’s rule of thumb.</li>

<li>box – <a class="reference internal" href="plotly.graph_objects.violin.html#plotly.graph_objects.violin.Box" title="plotly.graph_objects.violin.Box"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.violin.Box</code></a> instance or

dict with compatible properties</li>

<li>customdata – Assigns extra data each datum. This may be useful when

listening to hover, click and selection events. Note

that, “scatter” traces also appends customdata items in

the markers DOM elements</li>

<li>customdatasrc – Sets the source reference on Chart Studio Cloud for

customdata .</li>

<li>fillcolor – Sets the fill color. Defaults to a half-transparent

variant of the line color, marker color, or marker line

color, whichever is available.</li>

<li>hoverinfo – Determines which trace information appear on hover. If

<code class="docutils literal notranslate">none</code> or <code class="docutils literal notranslate">skip</code> are set, no information is displayed

upon hovering. But, if <code class="docutils literal notranslate">none</code> is set, click and hover

events are still fired.</li>

<li>hoverinfosrc – Sets the source reference on Chart Studio Cloud for

hoverinfo .</li>

<li>hoverlabel – <a class="reference internal" href="plotly.graph_objects.violin.html#plotly.graph_objects.violin.Hoverlabel" title="plotly.graph_objects.violin.Hoverlabel"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.violin.Hoverlabel</code></a>

instance or dict with compatible properties</li>

<li>hoveron – Do the hover effects highlight individual violins or

sample points or the kernel density estimate or any

combination of them?</li>

<li>hovertemplate – Template string used for rendering the information that

appear on hover box. Note that this will override

<code class="docutils literal notranslate">hoverinfo</code>. Variables are inserted using %{variable},

for example “y: %{y}”. Numbers are formatted using

d3-format’s syntax %{variable:d3-format}, for example

“Price: %{y:$.2f}”. https://github.com/d3/d3-3.x-api-

reference/blob/master/Formatting.md#d3_format for

details on the formatting syntax. Dates are formatted

using d3-time-format’s syntax %{variable|d3-time-

format}, for example “Day: %{2019-01-01|%A}”.

https://github.com/d3/d3-3.x-api-

reference/blob/master/Time-Formatting.md#format for

details on the date formatting syntax. The variables

available in <code class="docutils literal notranslate">hovertemplate</code> are the ones emitted as

event data described at this link

<a class="reference external" href="https://plotly.com/javascript/plotlyjs-events/#event">https://plotly.com/javascript/plotlyjs-events/#event</a>-

data. Additionally, every attributes that can be

specified per-point (the ones that are <code class="docutils literal notranslate">arrayOk: true</code>)

are available. Anything contained in tag <code class="docutils literal notranslate"><extra></code> is

displayed in the secondary box, for example

“<extra>{fullData.name}</extra>”. To hide the secondary

box completely, use an empty tag <code class="docutils literal notranslate"><extra></extra></code>.</li>

<li>hovertemplatesrc – Sets the source reference on Chart Studio Cloud for

hovertemplate .</li>

<li>hovertext – Same as <code class="docutils literal notranslate">text</code>.</li>

<li>hovertextsrc – Sets the source reference on Chart Studio Cloud for

hovertext .</li>

<li>ids – Assigns id labels to each datum. These ids for object

constancy of data points during animation. Should be an

array of strings, not numbers or any other type.</li>

<li>idssrc – Sets the source reference on Chart Studio Cloud for

ids .</li>

<li>jitter – Sets the amount of jitter in the sample points drawn.

If 0, the sample points align along the distribution

axis. If 1, the sample points are drawn in a random

jitter of width equal to the width of the violins.</li>

<li>legendgroup – Sets the legend group for this trace. Traces part of

the same legend group hide/show at the same time when

toggling legend items.</li>

<li>line – <a class="reference internal" href="plotly.graph_objects.violin.html#plotly.graph_objects.violin.Line" title="plotly.graph_objects.violin.Line"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.violin.Line</code></a> instance or

dict with compatible properties</li>

<li>marker – <a class="reference internal" href="plotly.graph_objects.violin.html#plotly.graph_objects.violin.Marker" title="plotly.graph_objects.violin.Marker"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.violin.Marker</code></a> instance or

dict with compatible properties</li>

<li>meanline – <a class="reference internal" href="plotly.graph_objects.violin.html#plotly.graph_objects.violin.Meanline" title="plotly.graph_objects.violin.Meanline"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.violin.Meanline</code></a> instance

or dict with compatible properties</li>

<li>meta – Assigns extra meta information associated with this

trace that can be used in various text attributes.

Attributes such as trace <code class="docutils literal notranslate">name</code>, graph, axis and

colorbar <code class="docutils literal notranslate">title.text</code>, annotation <code class="docutils literal notranslate">text</code>

<code class="docutils literal notranslate">rangeselector</code>, <code class="docutils literal notranslate">updatemenues</code> and <code class="docutils literal notranslate">sliders</code> <code class="docutils literal notranslate">label</code>

text all support <code class="docutils literal notranslate">meta</code>. To access the trace <code class="docutils literal notranslate">meta</code>

values in an attribute in the same trace, simply use

<code class="docutils literal notranslate">%{meta[i]}</code> where <code class="docutils literal notranslate">i</code> is the index or key of the

<code class="docutils literal notranslate">meta</code> item in question. To access trace <code class="docutils literal notranslate">meta</code> in

layout attributes, use <code class="docutils literal notranslate">%{data[n[.meta[i]}</code> where <code class="docutils literal notranslate">i</code>

is the index or key of the <code class="docutils literal notranslate">meta</code> and <code class="docutils literal notranslate">n</code> is the trace

index.</li>

<li>metasrc – Sets the source reference on Chart Studio Cloud for

meta .</li>

<li>name – Sets the trace name. The trace name appear as the

legend item and on hover. For violin traces, the name

will also be used for the position coordinate, if <code class="docutils literal notranslate">x</code>

and <code class="docutils literal notranslate">x0</code> (<code class="docutils literal notranslate">y</code> and <code class="docutils literal notranslate">y0</code> if horizontal) are missing and

the position axis is categorical. Note that the trace

name is also used as a default value for attribute

<code class="docutils literal notranslate">scalegroup</code> (please see its description for details).</li>

<li>offsetgroup – Set several traces linked to the same position axis or

matching axes to the same offsetgroup where bars of the

same position coordinate will line up.</li>

<li>opacity – Sets the opacity of the trace.</li>

<li>orientation – Sets the orientation of the violin(s). If “v” (“h”),

the distribution is visualized along the vertical

(horizontal).</li>

<li>pointpos – Sets the position of the sample points in relation to

the violins. If 0, the sample points are places over

the center of the violins. Positive (negative) values

correspond to positions to the right (left) for

vertical violins and above (below) for horizontal

violins.</li>

<li>points – If “outliers”, only the sample points lying outside the

whiskers are shown If “suspectedoutliers”, the outlier

points are shown and points either less than 4*Q1-3*Q3

or greater than 4*Q3-3*Q1 are highlighted (see

<code class="docutils literal notranslate">outliercolor</code>) If “all”, all sample points are shown

If False, only the violins are shown with no sample

points. Defaults to “suspectedoutliers” when

<code class="docutils literal notranslate">marker.outliercolor</code> or <code class="docutils literal notranslate">marker.line.outliercolor</code> is

set, otherwise defaults to “outliers”.</li>

<li>scalegroup – If there are multiple violins that should be sized

according to to some metric (see <code class="docutils literal notranslate">scalemode</code>), link

them by providing a non-empty group id here shared by

every trace in the same group. If a violin’s <code class="docutils literal notranslate">width</code> is

undefined, <code class="docutils literal notranslate">scalegroup</code> will default to the trace’s

name. In this case, violins with the same names will be

linked together</li>

<li>scalemode – Sets the metric by which the width of each violin is

determined.”width” means each violin has the same (max)

width*count* means the violins are scaled by the number

of sample points makingup each violin.</li>

<li>selected – <a class="reference internal" href="plotly.graph_objects.violin.html#plotly.graph_objects.violin.Selected" title="plotly.graph_objects.violin.Selected"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.violin.Selected</code></a> instance

or dict with compatible properties</li>

<li>selectedpoints – Array containing integer indices of selected points.

Has an effect only for traces that support selections.

Note that an empty array means an empty selection where

the <code class="docutils literal notranslate">unselected</code> are turned on for all points, whereas,

any other non-array values means no selection all where

the <code class="docutils literal notranslate">selected</code> and <code class="docutils literal notranslate">unselected</code> styles have no effect.</li>

<li>showlegend – Determines whether or not an item corresponding to this

trace is shown in the legend.</li>

<li>side – Determines on which side of the position value the

density function making up one half of a violin is

plotted. Useful when comparing two violin traces under

“overlay” mode, where one trace has <code class="docutils literal notranslate">side</code> set to

“positive” and the other to “negative”.</li>

<li>span – Sets the span in data space for which the density

function will be computed. Has an effect only when

<code class="docutils literal notranslate">spanmode</code> is set to “manual”.</li>

<li>spanmode – Sets the method by which the span in data space where

the density function will be computed. “soft” means the

span goes from the sample’s minimum value minus two

bandwidths to the sample’s maximum value plus two

bandwidths. “hard” means the span goes from the

sample’s minimum to its maximum value. For custom span

settings, use mode “manual” and fill in the <code class="docutils literal notranslate">span</code>

attribute.</li>

<li>stream – <a class="reference internal" href="plotly.graph_objects.violin.html#plotly.graph_objects.violin.Stream" title="plotly.graph_objects.violin.Stream"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.violin.Stream</code></a> instance or

dict with compatible properties</li>

<li>text – Sets the text elements associated with each sample

value. If a single string, the same string appears over

all the data points. If an array of string, the items

are mapped in order to the this trace’s (x,y)

coordinates. To be seen, trace <code class="docutils literal notranslate">hoverinfo</code> must contain

a “text” flag.</li>

<li>textsrc – Sets the source reference on Chart Studio Cloud for

text .</li>

<li>uid – Assign an id to this trace, Use this to provide object

constancy between traces during animations and

transitions.</li>

<li>uirevision – Controls persistence of some user-driven changes to the

trace: <code class="docutils literal notranslate">constraintrange</code> in <code class="docutils literal notranslate">parcoords</code> traces, as well

as some <code class="docutils literal notranslate">editable: true</code> modifications such as <code class="docutils literal notranslate">name</code>

and <code class="docutils literal notranslate">colorbar.title</code>. Defaults to <code class="docutils literal notranslate">layout.uirevision</code>.

Note that other user-driven trace attribute changes are

controlled by <code class="docutils literal notranslate">layout</code> attributes: <code class="docutils literal notranslate">trace.visible</code> is

controlled by <code class="docutils literal notranslate">layout.legend.uirevision</code>,

<code class="docutils literal notranslate">selectedpoints</code> is controlled by

<code class="docutils literal notranslate">layout.selectionrevision</code>, and <code class="docutils literal notranslate">colorbar.(x|y)</code>

(accessible with <code class="docutils literal notranslate">config: {editable: true}</code>) is

controlled by <code class="docutils literal notranslate">layout.editrevision</code>. Trace changes are

tracked by <code class="docutils literal notranslate">uid</code>, which only falls back on trace index

if no <code class="docutils literal notranslate">uid</code> is provided. So if your app can add/remove

traces before the end of the <code class="docutils literal notranslate">data</code> array, such that

the same trace has a different index, you can still

preserve user-driven changes if you give each trace a

<code class="docutils literal notranslate">uid</code> that stays with it as it moves.</li>

<li>unselected – <a class="reference internal" href="plotly.graph_objects.violin.html#plotly.graph_objects.violin.Unselected" title="plotly.graph_objects.violin.Unselected"><code class="xref py py-class docutils literal notranslate">plotly.graph_objects.violin.Unselected</code></a>

instance or dict with compatible properties</li>

<li>visible – Determines whether or not this trace is visible. If

“legendonly”, the trace is not drawn, but can appear as

a legend item (provided that the legend itself is

visible).</li>

<li>width – Sets the width of the violin in data coordinates. If 0

(default value) the width is automatically selected

based on the positions of other violin traces in the

same subplot.</li>

<li>x – Sets the x sample data or coordinates. See overview for

more info.</li>

<li>x0 – Sets the x coordinate for single-box traces or the

starting coordinate for multi-box traces set using

q1/median/q3. See overview for more info.</li>

<li>xaxis – Sets a reference between this trace’s x coordinates and

a 2D cartesian x axis. If “x” (the default value), the

x coordinates refer to <code class="docutils literal notranslate">layout.xaxis</code>. If “x2”, the x

coordinates refer to <code class="docutils literal notranslate">layout.xaxis2</code>, and so on.</li>

<li>xsrc – Sets the source reference on Chart Studio Cloud for x

.</li>

<li>y – Sets the y sample data or coordinates. See overview for

more info.</li>

<li>y0 – Sets the y coordinate for single-box traces or the

starting coordinate for multi-box traces set using

q1/median/q3. See overview for more info.</li>

<li>yaxis – Sets a reference between this trace’s y coordinates and

a 2D cartesian y axis. If “y” (the default value), the

y coordinates refer to <code class="docutils literal notranslate">layout.yaxis</code>. If “y2”, the y

coordinates refer to <code class="docutils literal notranslate">layout.yaxis2</code>, and so on.</li>

<li>ysrc – Sets the source reference on Chart Studio Cloud for y

.</li>

</ul>

</dd>

<dt class="field-even">Returns</dt>

</dd>

<dt class="field-odd">Return type</dt>

<dd class="field-odd"><a class="reference internal" href="plotly.graph_objects.html#plotly.graph_objects.Violin" title="plotly.graph_objects.Violin">Violin</a>

</dd>

</dl>

</dd></dl>

</div>

<h1><a class="reference internal" href="plotly.graph_objects.html#module-plotly.graph_objects" title="plotly.graph_objects"><code class="xref py py-mod docutils literal notranslate">plotly.graph_objects</code></a>.violin<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h1>

</colgroup>

<tbody>

<tr class="row-odd"><td><a class="reference internal" href="#module-plotly.graph_objects.violin" title="plotly.graph_objects.violin"><code class="xref py py-obj docutils literal notranslate">plotly.graph_objects.violin</code></a></td>

</tr>

</tbody>

</table>

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