Quadstat

What is Quadstat?

Quadstat is a free online statistical analysis tool.
Quadstat is a free repository for storing and sharing data.
Quadstat is also a statistical application framework for designing new web apps like the ones found here.

Who uses Quadstat?

High school statistics students may find the apps particularly useful along with the free Open Intro AHSS textbook.
Quadstat may be useful to college and graduate students who are taking introductory statistics courses.
Statistics enthusiasts and professionals are welcome to try out the open-source Quadstat Drupal distribution to create dynamic websites.

How do I get started ?

All apps and data are listed on tabs to the right.
All output generated with a Quadstat account remains private. Users may keep data private (unpublished) when saving or editing a dataset.
Sign in to start uploading your own data for analysis.
Name Description
Pie Chart for Contingency Table
Pie Chart for Contingency Table
Pie Chart for Count Data
Draws a pie chart for count data (as opposed to frequencies).
Simple Linear Regression
Fit a simple linear regression model with slope and y-intercept.
Stem and Leaf Plot
Creates a stem-and-leaf plot using a column vector.
Name Authored by Filename File size Changed Authored on File MIME type
US Baby Names in 2015 admin dataset-47139.csv 510.53 KB March 28, 2017 - 9:04 PM March 25, 2017 - 6:31 PM text/csv
BOD admin dataset-93773.csv 53 bytes May 12, 2017 - 8:41 PM February 26, 2017 - 11:28 AM text/csv
CO2 admin dataset-23612.csv 3.14 KB May 12, 2017 - 8:42 PM February 26, 2017 - 11:28 AM text/csv
ChickWeight admin dataset-45458.csv 6.19 KB May 12, 2017 - 8:44 PM February 26, 2017 - 11:28 AM text/csv
DNase admin dataset-31941.csv 2.72 KB May 12, 2017 - 8:44 PM February 26, 2017 - 11:28 AM text/csv
EuStockMarkets admin dataset-62794.csv 51.44 KB May 12, 2017 - 8:45 PM February 26, 2017 - 11:28 AM text/csv
Formaldehyde admin dataset-34296.csv 76 bytes May 12, 2017 - 8:45 PM February 26, 2017 - 11:28 AM text/csv
HairEyeColor admin dataset-85766.csv 851 bytes May 12, 2017 - 8:45 PM February 26, 2017 - 11:28 AM text/csv
Indometh admin dataset-58856.csv 674 bytes May 12, 2017 - 8:46 PM February 26, 2017 - 11:28 AM text/csv
InsectSprays admin dataset-41513.csv 482 bytes May 12, 2017 - 8:46 PM February 26, 2017 - 11:28 AM text/csv