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 Users may keep data private (unpublished) when saving or editing a dataset.|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.|
|Arithmetic Mean (Average)||
Computes the arithmetic mean (average) of a sample.
|Barplot for Contingency Table||
Creates a bar plot with vertical (stacked) bars for a contingency table.
|Barplot for Count Data||
Plots a single count variable barplot in R.
Plot wo variables on the coordinate axes.
Create (side-to-side) box-and-whisker plot(s) of the given (grouped) values.
|Contingency Table For Categorical Data||
Provides a contingency table for a dataset or vector.
Compute the Pearson correlation coefficient of two or more variables.
|Cumulative Frequency Histogram||
This type of histogram shows cumulative (total) frequency achieved by each bin, rather than the frequency in that particular bin. Each bin will be of equal height or taller than the bin immediately preceeding it.
Create a dotchart (dotplot) based on a dataset vector
Computes the IQR (interquartile range.)
|Name||Authored by||Filename||File size||Changed||Authored on||File MIME type|
|Gender and Politics||admin||dataset-79160.csv||49 bytes||June 13, 2017 - 2:31 PM||June 12, 2017 - 1:58 PM||text/csv|
|heartTr||admin||dataset-59284.csv||3.99 KB||June 12, 2017 - 10:31 AM||June 12, 2017 - 10:27 AM||text/csv|
|Heights and GPA||admin||dataset-12871.csv||291 bytes||June 7, 2017 - 4:44 PM||June 7, 2017 - 4:42 PM||text/csv|
|county||admin||dataset-47806.csv||253.4 KB||May 29, 2017 - 2:18 PM||May 29, 2017 - 1:58 PM||text/csv|
|email50||admin||dataset-81559.csv||3.95 KB||May 29, 2017 - 2:18 PM||May 27, 2017 - 9:43 AM||text/csv|
|stent30||admin||dataset-61804.csv||9.61 KB||May 12, 2017 - 8:37 PM||May 7, 2017 - 4:25 PM||text/csv|
|stent365||admin||dataset-22611.csv||9.56 KB||May 7, 2017 - 4:38 PM||May 7, 2017 - 12:27 AM||text/csv|
|Uniform(0,100)||admin||dataset-40927.csv||334 bytes||June 12, 2017 - 12:32 AM||May 1, 2017 - 9:21 AM||text/csv|
|Airline Safety||admin||dataset-41414.csv||2.34 KB||March 29, 2017 - 4:58 PM||March 29, 2017 - 4:51 PM||text/csv|
|White House Staff Salaries 2011 - 2016||admin||dataset-17938.csv||285.19 KB||May 12, 2017 - 8:39 PM||March 28, 2017 - 9:29 PM||text/csv|