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-rw-r--r--scripts/dashboard.py76
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diff --git a/scripts/dashboard.py b/scripts/dashboard.py
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+from dash import Dash, html, dcc, callback, Output, Input
+import plotly.express as px
+import pandas as pd
+import sqlite3
+
+# Connect to database and query all incidents
+connection = sqlite3.connect("../raw_data/ingress.db")
+cursor = connection.cursor()
+query = "SELECT * FROM incidents;"
+df = pd.read_sql_query(query, connection).sort_values(by="description")
+
+# Create custom YEAR column to use in dropdown
+df['year'] = df['date'].str[-4:]
+
+# Configure HTML layout
+app = Dash(__name__)
+app.layout = html.Div(children = [
+ html.Div([
+ html.H1(children="Omaha Police Invidents", style={"textAlign":"center"}),
+ dcc.Dropdown(df.sort_values("description").description.unique(), "INJURY", id="bar-dropdown"),
+ dcc.Dropdown(df.sort_values("year").year.unique(), "2023", id="bar-year-dropdown"),
+ dcc.Graph(id="bar-graph")
+ ]),
+ html.Div([
+ html.H2(children="Map Coordinates", style={"textAlign":"center"}),
+ dcc.Dropdown(df.sort_values("description").description.unique(), "INJURY", id="map-dropdown"),
+ dcc.Dropdown(df.sort_values("year").year.unique(), "2023", id="map-year-dropdown"),
+ dcc.Graph(id="map-graph")
+ ])
+])
+
+# Create bar graph
+@callback(
+ Output("bar-graph", "figure"),
+ Input("bar-dropdown", "value"),
+ Input("bar-year-dropdown", "value")
+)
+def update_bar_graph(description, year):
+ dff = df[df.year == year]
+ dff = dff.value_counts(subset=["description"])
+ dff = dff.reset_index()
+ dff = dff[dff.description == description]
+ return px.bar(dff, x="description", y="count")
+
+# Create map
+@callback(
+ Output("map-graph", "figure"),
+ Input("map-dropdown", "value"),
+ Input("map-year-dropdown", "value")
+)
+def update_map(description, year):
+ dff = df[df.year == year]
+ dff = dff.reset_index()
+ dff = dff[dff.description == description]
+
+ fig = px.scatter_mapbox(
+ dff,
+ lat="lat",
+ lon="lon",
+ color="description",
+ hover_name="description",
+ hover_data=["date", "time"],
+ title="Incident Count by Coordinates",
+ center={"lat": 41.257160, "lon": -95.995102},
+ zoom=10
+ )
+
+ fig.update_layout(showlegend=False)
+ fig.update_layout(mapbox_style="open-street-map")
+ fig.update_layout(margin={"r": 0, "t": 0, "l": 0, "b": 0})
+ fig.update_layout(mapbox_bounds={"west": -180, "east": -50, "south": 20, "north": 90})
+
+ return fig
+
+if __name__ == "__main__":
+ app.run(debug=True)