Create an application that has a text field to enter a URL (default value: https://raw.githubusercontent.com/mwaskom/seaborn-data/master/penguins.csv). The app should read the CSV file (and cache it) from the URL and display a DataFrame. Add controls to do the following: - Control how many rows are displayed - A checkbox to determine to randomly shuffle the DataFrame Users select one or two variables and you must determine the best way to visualize them.
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import streamlit as st
import pandas as pd
import numpy as np
import altair as alt
@st.cache_data
def load_data(url):
return pd.read_csv(url)
st.title('Penguin Data Visualization')
url = st.text_input('Enter CSV URL:',
value='https://raw.githubusercontent.com/mwaskom/seaborn-data/master/penguins.csv')
rows_display = st.number_input('Number of rows to display:', min_value=1, value=10)
shuffle_data = st.checkbox('Shuffle DataFrame?')
# Load data
try:
df = load_data(url)
if shuffle_data:
df = df.sample(frac=1).reset_index(drop=True)
st.write(df.head(rows_display))
# Select variables for visualization
x_axis = st.selectbox('Select X-axis variable:', df.columns)
y_axis = st.selectbox('Select Y-axis variable:', df.columns)
if st.button('Generate Visualization'):
chart = alt.Chart(df).mark_circle(size=60).encode(
x=x_axis,
y=y_axis,
tooltip=df.columns.tolist()
).interactive()
st.altair_chart(chart, use_container_width=True)
except Exception as e:
st.error(f'Error loading data: {e}')
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