plotly-express.md

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Plotly Express is a terse, consistent, high-level API for rapid data exploration and figure generation.	file_settings	python	base	Plotly Express	4	example_index	python/plotly-express/	thumbnail/plotly-express.png

Plotly Express

Plotly Express is the easy-to-use, high-level interface to Plotly, which operates on a variety of types of data and produces easy-to-style figures. Every Plotly Express function returns a graph_objects.Figure object whose data and layout has been pre-populated according to the provided arguments.

Note: Plotly Express was previously its own separately-installed plotly_express package but is now part of plotly and importable via import plotly.express as px.

This notebook demonstrates various plotly.express features. Reference documentation is also available, as well as a tutorial on input argument types and one on how to style figures made with Plotly Express.

You can also read our original Medium announcement article for more information on this library.

A single import, with built-in datasets

import plotly.express as px
print(px.data.iris.__doc__)
px.data.iris().head()

Scatter and Line plots

Refer to the main scatter and line plot page for full documentation.

import plotly.express as px
df = px.data.iris()
fig = px.scatter(df, x="sepal_width", y="sepal_length")
fig.show()

import plotly.express as px
df = px.data.iris()
fig = px.scatter(df, x="sepal_width", y="sepal_length", color="species")
fig.show()

import plotly.express as px
df = px.data.iris()
fig = px.scatter(df, x="sepal_width", y="sepal_length", color="species", marginal_y="rug", marginal_x="histogram")
fig

import plotly.express as px
df = px.data.iris()
fig = px.scatter(df, x="sepal_width", y="sepal_length", color="species", marginal_y="violin",
           marginal_x="box", trendline="ols")
fig.show()

import plotly.express as px
df = px.data.iris()
df["e"] = df["sepal_width"]/100
fig = px.scatter(df, x="sepal_width", y="sepal_length", color="species", error_x="e", error_y="e")
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.scatter(df, x="total_bill", y="tip", facet_row="time", facet_col="day", color="smoker", trendline="ols",
          category_orders={"day": ["Thur", "Fri", "Sat", "Sun"], "time": ["Lunch", "Dinner"]})
fig.show()

import plotly.express as px
df = px.data.iris()
fig = px.scatter_matrix(df)
fig.show()

import plotly.express as px
df = px.data.iris()
fig = px.scatter_matrix(df, dimensions=["sepal_width", "sepal_length", "petal_width", "petal_length"], color="species")
fig.show()

import plotly.express as px
df = px.data.iris()
fig = px.parallel_coordinates(df, color="species_id", labels={"species_id": "Species",
                  "sepal_width": "Sepal Width", "sepal_length": "Sepal Length",
                  "petal_width": "Petal Width", "petal_length": "Petal Length", },
                    color_continuous_scale=px.colors.diverging.Tealrose, color_continuous_midpoint=2)
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.parallel_categories(df, color="size", color_continuous_scale=px.colors.sequential.Inferno)
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.scatter(df, x="total_bill", y="tip", color="size", facet_col="sex",
           color_continuous_scale=px.colors.sequential.Viridis, render_mode="webgl")
fig.show()

import plotly.express as px
df = px.data.gapminder()
fig = px.scatter(df.query("year==2007"), x="gdpPercap", y="lifeExp", size="pop", color="continent",
           hover_name="country", log_x=True, size_max=60)
fig.show()

import plotly.express as px
df = px.data.gapminder()
fig = px.scatter(df, x="gdpPercap", y="lifeExp", animation_frame="year", animation_group="country",
           size="pop", color="continent", hover_name="country", facet_col="continent",
           log_x=True, size_max=45, range_x=[100,100000], range_y=[25,90])
fig.show()

import plotly.express as px
df = px.data.gapminder()
fig = px.line(df, x="year", y="lifeExp", color="continent", line_group="country", hover_name="country",
        line_shape="spline", render_mode="svg")
fig.show()

import plotly.express as px
df = px.data.gapminder()
fig = px.area(df, x="year", y="pop", color="continent", line_group="country")
fig.show()

Visualize Distributions

Refer to the main statistical graphs page for full documentation.

import plotly.express as px
df = px.data.iris()
fig = px.density_contour(df, x="sepal_width", y="sepal_length")
fig.show()

import plotly.express as px
df = px.data.iris()
fig = px.density_contour(df, x="sepal_width", y="sepal_length", color="species", marginal_x="rug", marginal_y="histogram")
fig.show()

import plotly.express as px
df = px.data.iris()
fig = px.density_heatmap(df, x="sepal_width", y="sepal_length", marginal_x="rug", marginal_y="histogram")
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.bar(df, x="sex", y="total_bill", color="smoker", barmode="group")
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.bar(df, x="sex", y="total_bill", color="smoker", barmode="group", facet_row="time", facet_col="day",
       category_orders={"day": ["Thur", "Fri", "Sat", "Sun"], "time": ["Lunch", "Dinner"]})
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.histogram(df, x="total_bill", y="tip", color="sex", marginal="rug", hover_data=df.columns)
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.histogram(df, x="sex", y="tip", histfunc="avg", color="smoker", barmode="group",
             facet_row="time", facet_col="day", category_orders={"day": ["Thur", "Fri", "Sat", "Sun"],
                                                                "time": ["Lunch", "Dinner"]})
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.strip(df, x="total_bill", y="time", orientation="h", color="smoker")
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.box(df, x="day", y="total_bill", color="smoker", notched=True)
fig.show()

import plotly.express as px
df = px.data.tips()
fig = px.violin(df, y="tip", x="smoker", color="sex", box=True, points="all", hover_data=df.columns)
fig.show()

Ternary Coordinates

import plotly.express as px
df = px.data.election()
fig = px.scatter_ternary(df, a="Joly", b="Coderre", c="Bergeron", color="winner", size="total", hover_name="district",
                   size_max=15, color_discrete_map = {"Joly": "blue", "Bergeron": "green", "Coderre":"red"} )
fig.show()

import plotly.express as px
df = px.data.election()
fig = px.line_ternary(df, a="Joly", b="Coderre", c="Bergeron", color="winner", line_dash="winner")
fig.show()

Images

import plotly.express as px
import numpy as np
img_rgb = np.array([[[255, 0, 0], [0, 255, 0], [0, 0, 255]],
                    [[0, 255, 0], [0, 0, 255], [255, 0, 0]]
                   ], dtype=np.uint8)
fig = px.imshow(img_rgb)
fig.show()

3D Coordinates

import plotly.express as px
df = px.data.election()
fig = px.scatter_3d(df, x="Joly", y="Coderre", z="Bergeron", color="winner", size="total", hover_name="district",
                  symbol="result", color_discrete_map = {"Joly": "blue", "Bergeron": "green", "Coderre":"red"})
fig.show()

import plotly.express as px
df = px.data.election()
fig = px.line_3d(df, x="Joly", y="Coderre", z="Bergeron", color="winner", line_dash="winner")
fig.show()

Polar Coordinates

import plotly.express as px
df = px.data.wind()
fig = px.scatter_polar(df, r="frequency", theta="direction", color="strength", symbol="strength",
            color_discrete_sequence=px.colors.sequential.Plasma_r)
fig.show()

import plotly.express as px
df = px.data.wind()
fig = px.line_polar(df, r="frequency", theta="direction", color="strength", line_close=True,
            color_discrete_sequence=px.colors.sequential.Plasma_r)
fig.show()

import plotly.express as px
df = px.data.wind()
fig = px.bar_polar(df, r="frequency", theta="direction", color="strength", template="plotly_dark",
            color_discrete_sequence= px.colors.sequential.Plasma_r)
fig.show()

Maps

import plotly.express as px
px.set_mapbox_access_token(open(".mapbox_token").read())
df = px.data.carshare()
fig = px.scatter_mapbox(df, lat="centroid_lat", lon="centroid_lon",     color="peak_hour", size="car_hours",
                  color_continuous_scale=px.colors.cyclical.IceFire, size_max=15, zoom=10)
fig.show()

import plotly.express as px
px.set_mapbox_access_token(open(".mapbox_token").read())
df = px.data.carshare()
fig = px.line_mapbox(df, lat="centroid_lat", lon="centroid_lon", color="peak_hour")
fig.show()

import plotly.express as px
df = px.data.gapminder()
fig = px.scatter_geo(df, locations="iso_alpha", color="continent", hover_name="country", size="pop",
               animation_frame="year", projection="natural earth")
fig.show()

import plotly.express as px
df = px.data.gapminder()
fig = px.line_geo(df.query("year==2007"), locations="iso_alpha", color="continent", projection="orthographic")
fig.show()

import plotly.express as px
df = px.data.gapminder()
fig = px.choropleth(df, locations="iso_alpha", color="lifeExp", hover_name="country", animation_frame="year", range_color=[20,80])
fig.show()

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Plotly Express

A single import, with built-in datasets

Scatter and Line plots

Visualize Distributions

Ternary Coordinates

Images

3D Coordinates

Polar Coordinates

Maps

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Plotly Express

A single import, with built-in datasets

Scatter and Line plots

Visualize Distributions

Ternary Coordinates

Images

3D Coordinates

Polar Coordinates

Maps