histograms for labour based on the contractor type

Key Features of the Labor Histogram Application

This interactive application allows you to manage and visualize construction labor data over time:

1. Data Input:

• Select contractor type from dropdown (Main, MEP, Road, etc.)
• Choose a date with the date picker
• Enter number of workers
• Add multiple data points over time

1. Data Management:

• View all labor entries in a sortable list
• Reset all data with confirmation
• Load sample data with one click
• Export data as CSV for further analysis

1. Visualizations:

• Labor Distribution Chart: Bar chart showing workforce distribution by month
• Contractor Comparison Chart: Horizontal bar chart comparing total workers per contractor
• Color-coded by contractor type for easy identification

1. Statistics Dashboard:

• Total workers across all contractors
• Peak workforce in a single month
• Average workers per month
• Number of months tracked

1. Export Options:

• Export both charts as PNG images
• Export raw data as CSV file

1. Responsive Design:

• Works on desktops, tablets, and mobile devices
• Construction-themed interface with appropriate colors
• Clean, modern layout optimized for data visualization

How to Use the Application

1. Add Data:

• Select a contractor type from the dropdown
• Choose a date using the date picker
• Enter the number of workers for that date
• Click "Add Labor Data"

1. Visualize:

• Charts automatically update as you add data
• Hover over chart elements to see detailed information
• Use the "Update Histogram" button if needed

1. Manage Data:

• Use "Load Sample Data" to see an example
• "Reset Data" clears all entries
• Export charts or data using the buttons

This application provides a flexible way to track and visualize labor resources over time, similar to your Excel example but with more interactivity and better visualization capabilities.