Data Table Summary- Allegheny County Median Income

This example summarizes a data table using Datalib. You can fork this Block and change the data to get a quick overview of the shape of your data.

This data is from Data USA.

This dataset contains the median income of each census tract in Allegheny County in 2015.

forked from curran's block: Data Table Summary

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Data Summary</title>
    <script src="https://d3js.org/d3.v4.min.js"></script>
    <script src="https://unpkg.com/datalib@1.8.0/datalib.min.js"></script>
    <style>

</style>
  </head>
  <body>
    <script>
      
      // Use these for other formats:
      // d3.tsv('data.tsv', data => {
      // d3.json('alleghenyEcon.json', data => {
      
      // Load and summarize the data.
      d3.csv('alleghenyEcon.csv', data => {
        
        // Assemble a summary string.
        const summary = [
          'Data table summary: ',
          data.length + ' rows',
          data.columns.length + ' columns',
          Math.round(d3.csvFormat(data).length / 1024) + ' kB',
          '\nSummary of each column:',
          dl.format.summary(data)
        ].join('\n');
        
        // Show the summary string on the page.
        d3.select('body').append('pre').text(summary);
        
        // Log the summary to the console.
        console.log(summary);
      });

</script>
  </body>
</html>

https://d3js.org/d3.v4.min.js

https://unpkg.com/datalib@1.8.0/datalib.min.js