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June 11, 2020 22:34
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import streamlit as st | |
import pandas as pd | |
from vega_datasets import data | |
""" | |
# Using different charting libraries | |
""" | |
@st.cache | |
def get_data(): | |
return pd.read_json(data.cars.url) | |
df = get_data() | |
""" | |
Streamlit supports different charting libraries, like: | |
* Matplotlib | |
* Seaborn | |
* Altair | |
* Plotly | |
* Bokeh | |
""" | |
""" | |
## Altair example | |
""" | |
with st.echo(code_location='below'): | |
import altair as alt | |
st.write(alt.Chart(df).mark_point().encode( | |
# The notation below is shorthand for: | |
# x = alt.X("Acceleration", type="quantitative", title="Acceleration"), | |
x="Acceleration:Q", | |
y=alt.Y("Miles_per_Gallon", type="quantitative", title="Miles per gallon"), | |
)) | |
""" | |
## Plotly example | |
""" | |
with st.echo(code_location='below'): | |
import plotly.express as px | |
fig = px.scatter( | |
x=df["Acceleration"], | |
y=df["Miles_per_Gallon"], | |
) | |
fig.update_layout( | |
xaxis_title="Acceleration", | |
yaxis_title="Miles per gallon", | |
) | |
st.write(fig) | |
""" | |
## Matplotlib example | |
""" | |
with st.echo(code_location='below'): | |
import matplotlib.pyplot as plt | |
fig = plt.figure() | |
ax = fig.add_subplot(1,1,1) | |
ax.scatter( | |
df["Acceleration"], | |
df["Miles_per_Gallon"], | |
) | |
ax.set_xlabel("Acceleration") | |
ax.set_ylabel("Miles per gallon") | |
st.write(fig) |
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