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Merged
merged 4 commits into from
Jun 22, 2019
Merged

[MRG] horizontal-bar-charts notebook #13

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e5d8c1e
horizontal-bar-charts notebook
emmanuelle Jun 12, 2019
72c04e0
addressed comments, added px example
emmanuelle Jun 13, 2019
915b907
plotly.express, graph_objects, update_layout
emmanuelle Jun 21, 2019
114b6e8
Merge branch 'master' into horizontal-bar
emmanuelle Jun 22, 2019
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addressed comments, added px example
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@emmanuelle
emmanuelle committed Jun 13, 2019
commit 72c04e05f6e81f761822f436fc8d8ca19b602e5d
41 changes: 37 additions & 4 deletions notebooks/horizontal-bar-charts.md
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Expand Up @@ -34,23 +34,56 @@ jupyter:
permalink: python/horizontal-bar-charts/
thumbnail: thumbnail/horizontal-bar.jpg
title: Horizontal Bar Charts | plotly
v4upgrade: true
---

See more examples of bar charts (including vertical bar charts) and styling options [here](https://plot.ly/python/bar-charts/).


### Horizontal Bar Chart with plotly express

Plotly express functions take as argument a tidy [pandas DataFrame](https://pandas.pydata.org/pandas-docs/stable/getting_started/10min.html). For a horizontal bar char, use the `px.bar` function with `orientation='h'`.


#### Basic Horizontal Bar Chart with plotly express

```python
import plotly_express as px
tips = px.data.tips()
fig = px.bar(tips, x="total_bill", y="day", orientation='h')
fig.show()
```

#### Configure horizontal bar chart

In this example a column is used to color the bars, and we add the information from other columns to the hover data.

```python
import plotly_express as px
tips = px.data.tips()
fig = px.bar(tips, x="total_bill", y="sex", color='day', orientation='h',
hover_data=["tip", "size"],
height=400,
title='Restaurant bills')
fig.show()
```

### Horizontal Bar Chart with go.Bar

When data are not available as a tidy dataframe, you can use the more generic function `go.Bar` from `plotly.graph_objs`. All the options of `go.Bar` are documented in the reference https://plot.ly/python/reference/#bar


#### Basic Horizontal Bar Chart

```python
import plotly.graph_objs as go

data = [go.Bar(
trace = go.Bar(
x=[20, 14, 23],
y=['giraffes', 'orangutans', 'monkeys'],
orientation='h'
)]
orientation='h')

fig = go.Figure(data=data)
fig = go.Figure(data=[trace])
fig.show()
```

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