Tag Archives: analysis

On the Seasonality of Hoppy Beers

Posted on May 11, 2014 by Nick

Hops are what give beer a bitter, tangy, citrusy, earthy, fruity, floral, herbal, woody, piney, and/or a spicy aromas and flavors. Originally they were used as a preservative because of their natural antimicrobial powers, now they are a defining characteristic … Continue reading →

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Using DPLYR in R: A Quicker, Easier Way to Work with Data

Posted on February 2, 2014 by Nick

As I promised, I thought I would show an example using DPLYR. I decided to create my own data set, instead of going with a canned data set in R. I did this to preface my next few posts. After … Continue reading →

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Fast Data Frame Modification in R

Posted on January 21, 2014 by Nick

One of the frequent data structures I use in R is a data frame. Data frames are similar to matrices except they allow different types of variables in each column. I always rejoice when I can reduce the analysis at … Continue reading →

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Big Data Introduction

Posted on December 24, 2013 by Nick

Happy Holidays! For the next few posts, I will be talking about using some tools/tricks on big data. I think that the term 'big data' gets thrown around a bit much these days. The more common definition of big data … Continue reading →

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Intro to Survey Analysis

Posted on November 27, 2013 by Nick

Lately, more people have approached me with questions on how to analyze survey data. There are very interesting problems associated with survey analysis. In dealing with surveys, I have seen mistakes made in creating them. Here are some general rules … Continue reading →

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Approaching Data Analysis

Posted on September 20, 2013 by Nick

All data analysis projects start with a problem.  We (hopefully) form a hypothesis before exploring the data, and we go about trying to confirm/disprove hypotheses with statistical procedures.  These statistical procedures could be a simple t-test, a more complicated non-parametric … Continue reading →

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