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 Blog posts are licensed under a Creative Commons AttributionShareAlike 3.0 Unported License, unless otherwise noted.
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 Blog posts are licensed under a Creative Commons AttributionShareAlike 3.0 Unported License, unless otherwise noted.
Author Archives: Daniel
Google Images Search by Image
Google Images has a new feature called Search by Image that lets users search the web using an image. The feature was added a few days ago and is described on Google’s Inside Search site. To test the feature I … Continue reading
Tagged google images, photography, youtube
1 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 math
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5/20/2011 Quote of the Day
Today’s quote is from Gilbert Strang. This is like a grownup course. I’m figuring you’re here to learn, so it’s not my job to force it. My job is to help it, and I hope this is some help. MIT 18.085 Computational Science and Engineering I, Recitation 1 … Continue reading
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 math, probability
1 Comment
5/19/2011 Quote of the Day
I am going to start posting quotes that I like to my blog. I have been recording quotes that I like for a few years. I will continue to update my list, and use it as a source for quotes … Continue reading
Tagged programming
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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 math, webwork
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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 math, regressions, statistics
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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 math, probability, references
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 math, webwork
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 math, webwork
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