Tag Archives: math

Project Euler Common Lisp Helper Functions

Project Euler is a site that has math problems that can be solved with the assistance of a computer program (solving the problems without programming would take an unreasonable amount of time). The problems are fun and they are a … Continue reading

Tagged , | Leave a comment

5/21/2011 Quote of the Day – Why Study Math?

I just came across the following video from WeUseMath.org. The site aims to answer the question “When will I use math?” Today’s quote of the day is from David Bailey (at 4:52 in the video). It’s worth doing. It’s something that, I’ve … Continue reading

Tagged | Leave a comment

Intuitive Interpretation of the Presence of the Combination Formula in Solutions to Problems that are Seemingly Unrelated to Combinations

This post will give an intuitive interpretation of the presence of the combination formula (which equals the binomial coefficient) in math problem solutions and probability distributions that are seemingly unrelated to combinations. For example, the binomial coefficient shows up in the probability mass … Continue reading

Tagged , | 1 Comment

Installing Your Own Personal WeBWork Server, Part IV

Part I | Part II | Part III | Part IV This series of posts covers the installation of WeBWork. This post, Part IV of the series, will cover how to configure your WeBWork server so that you can access the 20,000 freely available … Continue reading

Tagged , | Leave a comment

Predicting Y When the Dependent Variable is a Transformation of Y

I am going to try to start posting more frequently. This post covers topics that I’ve been thinking about lately, including model estimation with ordinary least squares (OLS) and forecasting when OLS is used to fit a statistical model with … Continue reading

Tagged , , | Leave a comment

Probability Distributions Reference Table

Table Description I have uploaded a reference table that I created with common probability distributions. Although the same formulas and similar descriptions can be obtained on Wikipedia, I find it useful to have the information contained on one table. The … Continue reading

Tagged , , | 3 Comments

Installing Your Own Personal WeBWork Server, Part III

Part I | Part II | Part III | Part IV This series of posts covers the installation of WeBWork. This post, Part III of the series, has instructions for installing Ubuntu and WeBWork within VirtualBox. Creating a New Virtual Machine The … Continue reading

Tagged , | 4 Comments

Installing Your Own Personal WeBWork Server, Part II

Part I | Part II | Part III | Part IV This series of posts covers the installation of WeBWork. This post, Part II of the series, has instructions for installing VirtualBox. Although I am using Windows 7, the instructions … Continue reading

Tagged , | Leave a comment

Installing Your Own Personal WeBWork Server, Part I

Part I | Part II | Part III | Part IV This series of posts will give step-by-step instructions on installing your own WeBWork server. WeBWork is an open source, freely available homework system. It is used by many colleges, and … Continue reading

Tagged , | Leave a comment