การสร้างแดชบอร์ดด้วย Dash และ Plotly
Alex Scriven
Data Scientist
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from dash import Input, Output
component_id
component_property
@callback( Output(component_id='my_plot', component_property='figure'), Input(component_id='my_input', component_property='value') ) def some_function(data): # Subset Data # Recreate Figure return fig
@callback(
Output(component_id='my_plot', component_property='figure'),
Input(component_id='my_input', component_property='value')
)
def some_function(data): # Subset Data # Recreate Figure return fig
dcc.Dropdown(id='title_dd', options=['Title 1', 'Title 2'])
app.layout =[ dcc.Dropdown(id='title_dd', options=['Title 1', 'Title 2']), dcc.Graph(id='my_graph')]) @callback( Output(component_id='my_graph', component_property='figure'), Input(component_id='title_dd', component_property='value') )
app.layout =[
dcc.Dropdown(id='title_dd', options=['Title 1', 'Title 2']),
dcc.Graph(id='my_graph')])
@callback( Output(component_id='my_graph', component_property='figure'),
Input(component_id='title_dd', component_property='value') )
# @callback() def update_plot(selection): title = "None Selected" if selection: title = selection bar_fig = px.bar( data_frame=ecom_sales, title=f'{title}', x='Total Sales ($)', y='Country') return bar_fig
# @callback() def update_plot(selection): title = "None Selected" if selection: title = selection
bar_fig = px.bar( data_frame=ecom_sales, title=f'{title}', x='Total Sales ($)', y='Country')
return bar_fig
# @callback() def update_plot(input_country): country = 'All Countries' sales = ecom_sales.copy(deep=True) if input_country: country = input_country sales = sales[sales['Country'] == country] bar_fig = px.bar( data_frame=sales, title=f"Sales in {country}", x='Total Sales ($)', y='Country') return bar_fig
# @callback() def update_plot(input_country): country = 'All Countries'
sales = ecom_sales.copy(deep=True)
if input_country: country = input_country sales = sales[sales['Country'] == country]
bar_fig = px.bar( data_frame=sales, title=f"Sales in {country}", x='Total Sales ($)', y='Country') return bar_fig
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