Spaces:
Sleeping
Sleeping
Update app.py
Browse files
app.py
CHANGED
|
@@ -3,16 +3,21 @@ import pandas as pd
|
|
| 3 |
from sklearn.linear_model import LinearRegression
|
| 4 |
import matplotlib.pyplot as plt
|
| 5 |
|
| 6 |
-
# Page
|
| 7 |
-
st.set_page_config(page_title="Crime Rate
|
| 8 |
-
st.title("
|
| 9 |
|
| 10 |
-
# CSV path (
|
| 11 |
-
csv_path = "
|
| 12 |
|
| 13 |
try:
|
| 14 |
-
# Load
|
| 15 |
df = pd.read_csv(csv_path)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 16 |
data = df[[
|
| 17 |
'State/UT',
|
| 18 |
'Number of Cases Registered - 2018-19',
|
|
@@ -21,47 +26,44 @@ try:
|
|
| 21 |
'Number of Cases Registered - 2021-22 (up to 31.10.2021)'
|
| 22 |
]].copy()
|
| 23 |
data.columns = ['State/UT', '2018', '2019', '2020', '2021']
|
|
|
|
|
|
|
| 24 |
for col in ['2018', '2019', '2020', '2021']:
|
| 25 |
data[col] = pd.to_numeric(data[col], errors='coerce').fillna(0).astype(int)
|
| 26 |
|
| 27 |
-
#
|
| 28 |
-
st.
|
| 29 |
-
|
| 30 |
-
|
| 31 |
|
| 32 |
-
|
| 33 |
-
|
| 34 |
-
|
| 35 |
-
|
| 36 |
-
|
| 37 |
|
| 38 |
-
|
| 39 |
-
|
| 40 |
-
model.fit(X_train, y_train)
|
| 41 |
|
| 42 |
-
|
| 43 |
-
|
| 44 |
|
| 45 |
-
|
| 46 |
-
|
| 47 |
-
|
| 48 |
-
|
|
|
|
| 49 |
|
| 50 |
-
|
| 51 |
-
|
| 52 |
-
st.dataframe(result_df, use_container_width=True)
|
| 53 |
|
| 54 |
-
|
| 55 |
-
|
| 56 |
-
|
| 57 |
-
|
| 58 |
-
|
| 59 |
-
|
| 60 |
-
|
| 61 |
-
else:
|
| 62 |
-
st.warning("⚠️ Please enter a valid State/UT name from the dataset.")
|
| 63 |
-
else:
|
| 64 |
-
st.info("👈 Please enter a State/UT name to begin prediction.")
|
| 65 |
|
| 66 |
except FileNotFoundError:
|
| 67 |
st.error(f"❌ File not found at path: {csv_path}. Please check the path.")
|
|
|
|
| 3 |
from sklearn.linear_model import LinearRegression
|
| 4 |
import matplotlib.pyplot as plt
|
| 5 |
|
| 6 |
+
# Page config
|
| 7 |
+
st.set_page_config(page_title="Crime Rate Prediction", layout="wide")
|
| 8 |
+
st.title("📊 Crime Rate Prediction Based on Past Data")
|
| 9 |
|
| 10 |
+
# CSV path (Make sure this file is uploaded in Streamlit cloud if deployed)
|
| 11 |
+
csv_path = "crime_data.csv"
|
| 12 |
|
| 13 |
try:
|
| 14 |
+
# Load the dataset
|
| 15 |
df = pd.read_csv(csv_path)
|
| 16 |
+
|
| 17 |
+
st.subheader("📄 Raw Dataset")
|
| 18 |
+
st.dataframe(df)
|
| 19 |
+
|
| 20 |
+
# Preprocess
|
| 21 |
data = df[[
|
| 22 |
'State/UT',
|
| 23 |
'Number of Cases Registered - 2018-19',
|
|
|
|
| 26 |
'Number of Cases Registered - 2021-22 (up to 31.10.2021)'
|
| 27 |
]].copy()
|
| 28 |
data.columns = ['State/UT', '2018', '2019', '2020', '2021']
|
| 29 |
+
|
| 30 |
+
# Convert string numbers to integers (if needed)
|
| 31 |
for col in ['2018', '2019', '2020', '2021']:
|
| 32 |
data[col] = pd.to_numeric(data[col], errors='coerce').fillna(0).astype(int)
|
| 33 |
|
| 34 |
+
# Sidebar for user input
|
| 35 |
+
st.sidebar.header("🔍 Predict Future Crime")
|
| 36 |
+
selected_state = st.sidebar.selectbox("Select a State/UT", data['State/UT'].unique())
|
| 37 |
+
start_year = st.sidebar.slider("Select starting year for prediction", 2022, 2026, 2022)
|
| 38 |
|
| 39 |
+
# Perform prediction for selected state
|
| 40 |
+
selected_row = data[data['State/UT'] == selected_state].iloc[0]
|
| 41 |
+
years = [2018, 2019, 2020, 2021]
|
| 42 |
+
X_train = pd.DataFrame({'Year': years})
|
| 43 |
+
y_train = selected_row[['2018', '2019', '2020', '2021']].values
|
| 44 |
|
| 45 |
+
model = LinearRegression()
|
| 46 |
+
model.fit(X_train, y_train)
|
|
|
|
| 47 |
|
| 48 |
+
future_years = list(range(start_year, 2028))
|
| 49 |
+
predictions = model.predict(pd.DataFrame({'Year': future_years}))
|
| 50 |
|
| 51 |
+
# Prepare result DataFrame
|
| 52 |
+
result_df = pd.DataFrame({
|
| 53 |
+
'Year': future_years,
|
| 54 |
+
'Predicted Crime Cases': [max(0, int(pred)) for pred in predictions]
|
| 55 |
+
})
|
| 56 |
|
| 57 |
+
st.subheader(f"📈 Predicted Crime Rate in {selected_state} ({start_year}–2027)")
|
| 58 |
+
st.dataframe(result_df)
|
|
|
|
| 59 |
|
| 60 |
+
# Plotting
|
| 61 |
+
fig2, ax2 = plt.subplots()
|
| 62 |
+
ax2.plot(result_df['Year'], result_df['Predicted Crime Cases'], marker='o', linestyle='--', color='teal')
|
| 63 |
+
ax2.set_xlabel("Year")
|
| 64 |
+
ax2.set_ylabel("Predicted Crime Cases")
|
| 65 |
+
ax2.set_title(f"Crime Trend Prediction for {selected_state}")
|
| 66 |
+
st.pyplot(fig2)
|
|
|
|
|
|
|
|
|
|
|
|
|
| 67 |
|
| 68 |
except FileNotFoundError:
|
| 69 |
st.error(f"❌ File not found at path: {csv_path}. Please check the path.")
|