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Update app.py

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  1. app.py +40 -38
app.py CHANGED
@@ -3,16 +3,21 @@ import pandas as pd
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  from sklearn.linear_model import LinearRegression
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  import matplotlib.pyplot as plt
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- # Page configuration
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- st.set_page_config(page_title="Crime Rate Predictor", layout="centered")
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- st.title("🔮 Crime Rate Prediction for Indian States/UTs")
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- # CSV path (Hosted online)
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- csv_path = "https://huggingface.co/spaces/MLDeveloper/crime_rate_predicition/resolve/main/RS_Session_255_AS_116.1%20(2).csv"
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  try:
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- # Load and preprocess data
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  df = pd.read_csv(csv_path)
 
 
 
 
 
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  data = df[[
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  'State/UT',
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  'Number of Cases Registered - 2018-19',
@@ -21,47 +26,44 @@ try:
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  'Number of Cases Registered - 2021-22 (up to 31.10.2021)'
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  ]].copy()
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  data.columns = ['State/UT', '2018', '2019', '2020', '2021']
 
 
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  for col in ['2018', '2019', '2020', '2021']:
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  data[col] = pd.to_numeric(data[col], errors='coerce').fillna(0).astype(int)
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- # --- User Inputs ---
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- st.subheader("📝 Enter Details to Predict Future Crime Rates")
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- state_input = st.text_input("Enter State/UT Name (e.g., Maharashtra)", "")
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- year_input = st.slider("Select Starting Year", 2022, 2026, 2022)
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- if state_input:
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- if state_input in data['State/UT'].values:
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- selected_row = data[data['State/UT'] == state_input].iloc[0]
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- X_train = pd.DataFrame({'Year': [2018, 2019, 2020, 2021]})
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- y_train = selected_row[['2018', '2019', '2020', '2021']].values
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- # Train model and predict
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- model = LinearRegression()
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- model.fit(X_train, y_train)
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- future_years = list(range(year_input, 2028))
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- predictions = model.predict(pd.DataFrame({'Year': future_years}))
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- result_df = pd.DataFrame({
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- 'Year': future_years,
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- 'Predicted Crime Cases': [max(0, int(pred)) for pred in predictions]
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- })
 
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- # Show predictions
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- st.subheader(f"📈 Predicted Crime Rate for {state_input} ({year_input} to 2027)")
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- st.dataframe(result_df, use_container_width=True)
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- # Plot
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- fig, ax = plt.subplots()
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- ax.plot(result_df['Year'], result_df['Predicted Crime Cases'], marker='o', linestyle='--', color='orangered')
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- ax.set_xlabel("Year")
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- ax.set_ylabel("Predicted Crime Cases")
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- ax.set_title(f"{state_input} Crime Rate Prediction")
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- st.pyplot(fig)
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- else:
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- st.warning("⚠️ Please enter a valid State/UT name from the dataset.")
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- else:
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- st.info("👈 Please enter a State/UT name to begin prediction.")
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  except FileNotFoundError:
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  st.error(f"❌ File not found at path: {csv_path}. Please check the path.")
 
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  from sklearn.linear_model import LinearRegression
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  import matplotlib.pyplot as plt
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+ # Page config
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+ st.set_page_config(page_title="Crime Rate Prediction", layout="wide")
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+ st.title("📊 Crime Rate Prediction Based on Past Data")
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+ # CSV path (Make sure this file is uploaded in Streamlit cloud if deployed)
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+ csv_path = "crime_data.csv"
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  try:
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+ # Load the dataset
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  df = pd.read_csv(csv_path)
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+
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+ st.subheader("📄 Raw Dataset")
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+ st.dataframe(df)
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+
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+ # Preprocess
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  data = df[[
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  'State/UT',
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  'Number of Cases Registered - 2018-19',
 
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  'Number of Cases Registered - 2021-22 (up to 31.10.2021)'
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  ]].copy()
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  data.columns = ['State/UT', '2018', '2019', '2020', '2021']
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+
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+ # Convert string numbers to integers (if needed)
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  for col in ['2018', '2019', '2020', '2021']:
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  data[col] = pd.to_numeric(data[col], errors='coerce').fillna(0).astype(int)
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+ # Sidebar for user input
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+ st.sidebar.header("🔍 Predict Future Crime")
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+ selected_state = st.sidebar.selectbox("Select a State/UT", data['State/UT'].unique())
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+ start_year = st.sidebar.slider("Select starting year for prediction", 2022, 2026, 2022)
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+ # Perform prediction for selected state
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+ selected_row = data[data['State/UT'] == selected_state].iloc[0]
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+ years = [2018, 2019, 2020, 2021]
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+ X_train = pd.DataFrame({'Year': years})
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+ y_train = selected_row[['2018', '2019', '2020', '2021']].values
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+ model = LinearRegression()
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+ model.fit(X_train, y_train)
 
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+ future_years = list(range(start_year, 2028))
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+ predictions = model.predict(pd.DataFrame({'Year': future_years}))
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+ # Prepare result DataFrame
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+ result_df = pd.DataFrame({
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+ 'Year': future_years,
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+ 'Predicted Crime Cases': [max(0, int(pred)) for pred in predictions]
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+ })
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+ st.subheader(f"📈 Predicted Crime Rate in {selected_state} ({start_year}–2027)")
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+ st.dataframe(result_df)
 
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+ # Plotting
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+ fig2, ax2 = plt.subplots()
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+ ax2.plot(result_df['Year'], result_df['Predicted Crime Cases'], marker='o', linestyle='--', color='teal')
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+ ax2.set_xlabel("Year")
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+ ax2.set_ylabel("Predicted Crime Cases")
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+ ax2.set_title(f"Crime Trend Prediction for {selected_state}")
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+ st.pyplot(fig2)
 
 
 
 
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68
  except FileNotFoundError:
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  st.error(f"❌ File not found at path: {csv_path}. Please check the path.")