How to Upload

CSV Explorer accepts CSV files of almost any size and configuration. You can upload from your computer, Box, Google Drive, Amazon Cloud Drive, Github, and URLs.

To upload a new CSV, log in and go to the datasets page. Click "Import Data" or drag and drop a file onto the gray box.

The Explorer is designed to be a simple interface for searching, aggregating, and plotting data. Click on a dataset to view it in the explorer.

Take the quick tutorial on the Explorer Interface, and check out sections below to learn how to Search, Plot, and Download.

Words

Type in the search box under a column name to find rows whose value for that column contains the search string.

In this example, we look for rows whose Location contains 'dakota'.

Searching in multiple columns returns rows that match both queries.

In this example, we look for rows whose Location contains 'dakota' and whose Name contains 'bad'.

Numbers

Number fields can be filtered using the comparison operators: >, >=, <, <=.

In this example, we filter for National Parks whose Area is greater than 5 million acres.

Dates

Dates and times can be filtered using the comparison operators: >, >=, <, <=.

In this example, we filter parks established after Jan 1, 2010.

Regular Expressions

To search by regular expression, begin searches with /.

Regular expressions are a common technique for advanced string searches. Learn more about regular expressions here.

In this example, we search by regular expression to search for National Parks whose Name begins with a vowel.

Histogram

To count the occurences of each element in a column, click the column name, and then Histogram. A new table will appear containing the count of each element.

The Quick Plot iconwill plot the histogram.

In this example, we histogram Location to see how many National Parks are in each Location.

Filter and Histogram

Filters and histograms can easily be combined.

In this example, we determine which Location has had the most National Parks Established in the last 20 years.

Average, Sum, Min, Max

To compute the Average, Sum, Minimum, and Maximum values of a column, click the column name and select Avg/Sum/Min/Max.

Then select a column for which they should be computed. Leave the column selection blank to compute it over all rows.

In this example, we determine the sum of the Area for each Location, and sort to find the Locations with the smallest and largest total Area of National Parks.

Date & Time Histograms

Dates and times are made up of parts: years, months, days, hours, etc. Date/Time Histograms are used to histogram parts of a date or time.

Click on the column, then select Date/Time Parts. Select the parts of the date or time to histogram, and then select Histogram.

In this example, we compute a histogram of the Months in Date Established to see how many National Parks have been established in each month.

The Quick Plot icon graphs the histogram.

Date/Time Part Extracts

Dates and times are made up of parts: years, months, days, hours, etc. Use a Date/Time Part Extract to create a new column, with just one component of a date or time.

Click on the column, then select Date/Time Parts. Select the parts of the date or time to extract, and then select Extract. A new table will be created, with new columns of the time parts.

In this example, we find which National Parks were established in March. We extract Month from Date Established and then filter on the new column Date Established Month to 3 (for March).

Bar & Line Charts

To create a bar or line chart, click the Plot icon at the top left of a table. Select a graph type, and use the input fields to choose columns to use for the X and Y axes. Click Go.

Plots will be direct representations of the table. Run filters, sorts, and aggregates before plotting. To sort the X axis, select the column name and click Sort, then plot the table.

In this example, we histogram Location and make a bar chart of the resulting data to see the Count of National Parks in each Location.

Quick Plot

Certain plotting analyses are common, such as plotting the results of a histogram. In these cases, the Quick Plot icon will appear at the top left of the table.

In this example, we use Quick Plot to plot the results of a histogram.

Download

To download a table to open in Excel or to download a chart, click the download icon at the top left of a table.

In this example, we filter to Locations containing Alaska, count how many rows we've filtered to. Then we download the results to open in Excel.