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Download TamStat

Taming Statistics with TamStat

TamStat is a free-to-use statistical package. What distinguishes it from other statistical programs such as R, Minitab and Excel is its natural use of arrays, operators and namespaces. You can try it online or download the latest version to install on your computer. It is written entirely in Dyalog APL.

Why another Statistical Program?

Many students are confused by the sheer number of statistical functions. R has four functions for each statistical distribution, while Excel has six functions for the t-distribution alone. TamStat attempts to alleviate this problem by having only one function for each distribution. In TamStat there are four basic classes of functions: summary functions, distribution functions, relational functions and logical functions. What is unique about TamStat is the introduction of operators which combine functions in different ways to calculate probabilities, critical values and confidence intervals, perform various hypothesis tests, do simulations and conduct advanced operations such as regression, anova, goodness-of-fit tests and tests of independence.

TamStat is appropriate for use by both beginning and advanced students of statistics. There are two versions of TamStat: A standalone app with a user interface for students and a workspace for Dyalog APL users. Soon TamStat will be available as a Tatin package.

Screenshots

Anova Wizard

Marriage only between man and woman? Comparing survey responses to the question: "Marriage should be strictly between one man and one woman".
1=Strongly Disagree, 3=Neutral, 5=Strongly Agree

Confidence Interval Wizard

Estimate mean heightEstimates mean height from a sample of 38 students at various confidence levels.

Probability Wizard

Female and a Democrat?Probability that a randomly selected student is both female and a Democrat

Bayes Wizard

Probability of having cancer The probability that a person has cancer is 3%. A certain test will detect cancer 90% of the time; however , there is a 2% chance of a false positive result. If the test is positive, what is the probability that the person actually has cancer?

Distribution Wizard

Probability of weight > 150 lbs.Probability that a person weighs over 150 lbs. given a population mean of 120 and a standard deviation of 25 lbs.

Regression Wizard

Height ->ShoeSizeHow well can we estimate a student's ShoeSize from his Height?

ChiSquare Wizard

Party affiliation & sexIs party affiliation independent of a person's sex?

Hypothesis Wizard

Average adult height < 70 inches? Is the claim that the average adult height is below 70 inches valid?

SampleSize Wizard

Minimum sample size What minimum sample size do we need to be within a 3% margin of error?

TamStat Videos

TamStat has been presented at several Dyalog APL User conferences. Here are some of the videos.

Note: clicking any video will open a new window and show the video there.

Statistical Libraries for Dyalog

Josh David - Dyalog

Extending the Domain of the Probability Operator in TamStat

Stephen Mansour - Carlisle Group and University of Scranton

TamStat 2019

Rich Park - Dyalog Ltd.

TamStat 2019 - Technical Update

Michael Baas - Dyalog Ltd.

Taming Statistics with TamStat

Stephen Mansour - Carlisle Group and University of Scranton

New Features in TamStat

Stephen Mansour - Carlisle Group and University of Scranton

TamStat, a Statistical Package

Steve Mansour, The Carlisle Group and University of Scranton (U.S.A.) & Jerry Brennan, Jerry M Brennan PhD Inc (U.S.A.)

Taming Statistics with Limited-Domain Operators

Stephen Mansour - Carlisle Group and University of Scranton

Papers on TamStat

"Taming statistics with limited-domain operators" in "Vector - the journal of the British APL Association"
"Taming Statistics for Students with APL" at 10th International Conference on Teaching Statistic in Kyoto, Japan (July 8-12, 2018)
"Optimizing with Derived Operators Using TAMPA"

Download TamStat

Windows

Download and execute

TamStat-Windows-Setup_v1.7.9.exe

Mac

Installation on Mac:

1. Please download and install Dyalog APL 19.0 from Dyalog (free download, no registration required)
2. Download TamStat-Mac-v1.7.9.tgz and extract it where it fits.
3. Finally: open the TamStat folder and execute the tamstat script to run TamStat.

Documentation

The manual is included with the downloads of the application and can be accessed through the "Help" menu.
It can also be downloaded separately in PDF format.
A hardcopy version is available from lulu.

TamStat for APLers

The downloads above give you the complete TamStat package. If you are an APLer and want to use TamStat in your workspace or experiment with its functions or maybe even contribute to its source code, you can access its core functions and interact with its author on the GitHub repository at https://github.com/steveman7/TamStatCore.