[Bar chart in Plotly] #plotly #python

bar_chart_plotly.py

import plotly.graph_objects as go

countries = increase_per_country.country

fig = go.Figure()
fig.add_trace(go.Bar(
    x=countries,
    y=increase_per_country.identifier_count_new,
    name='New data',
    marker_color='#FF8000'
))
fig.add_trace(go.Bar(
    x=countries,
    y=increase_per_country.identifier_count_old,
    name='New data',
    marker_color='#1A4D60'
))
# Here we modify the tickangle of the xaxis, resulting in rotated labels.
fig.update_layout(barmode='group', xaxis_tickangle=-45, title='Number of dwells in 2020 by country - new vs old dataset')
fig.show()

# bar charts: https://plotly.com/python/bar-charts/



# As function

def bar_chart(x_data, y_data, title='', x_axis_title='', y_axis_title='', yaxis_range=[], show_legend=False, output_path=''):
    fig = go.Figure()
    fig.add_trace(go.Bar(
        x = x_data,
        y = y_data,
    ))

    fig.update_layout(
        barmode='group', 
        xaxis_tickangle=-45, 
        title = title,
        xaxis_title = x_axis_title,
        yaxis_title = y_axis_title,
        template = 'unacast',
        width=1000,
        height=500,
        showlegend=show_legend,
        )
    
    if(yaxis_range != []):
        fig.update_layout(
            yaxis_range = yaxis_range
        )
    
    fig.update_yaxes(visible=True, showticklabels=True)

    if(len(output_path) > 0):
        fig.write_image(output_path, scale=2)
    
    fig.show()