Category Archives: R Language

Factor Analysis using R

I wrote an article in the March 2017 issue of Visual Studio Magazine titled “Revealing Secrets with R and Factor Analysis”. See https://visualstudiomagazine.com/articles/2017/03/01/revealing-secrets-r-factor-statistics.aspx. Factor Analysis is a classical statistics technique that analyzes data to determine if some set of observed … Continue reading

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Data Clustering using R

I wrote an article titled “Data Clustering using R” in the February 2017 issue of Visual Studio Magazine. See https://visualstudiomagazine.com/articles/2017/02/01/data-clustering-using-r.aspx. Data clustering is the process of programmatically grouping data so that similar items belong together. For example, suppose you have … Continue reading

Posted in Machine Learning, R Language

The 2017 Visual Studio Live Conference is Coming Up

The 2017 Visual Studio Live conference will be held from Monday, March 13 through Friday, March 17 in Las Vegas. See http://www.vslive.com. VS Live is one of my three favorite events for software engineers who use Microsoft technologies. And overall, … Continue reading

Posted in Conferences, Machine Learning, R Language

R Language OOP using S3

I wrote an article titled “R Language OOP using S3” in the January 2017 issue of Visual Studio Magazine. See https://visualstudiomagazine.com/articles/2017/01/01/r-language-oop-using-s3.aspx. The R language has been around for decades and is used mostly for interactive data analysis. For example, you … Continue reading

Posted in R Language

Factor Analysis

Factor analysis is a classical statistics technique that isn’t used too much in machine learning but it can be quite valuable. As is often the case with statistics and ML, it’s a bit tricky to explain what factor analysis is … Continue reading

Posted in Machine Learning, R Language

Logistic Regression using R

I wrote an article titled “Logistic Regression using R” in the December 2016 issue of Visual Studio Magazine. See https://visualstudiomagazine.com/articles/2016/12/01/logistic-regression-using-r.aspx. I consider logistic regression to be more-or-less the “Hello World” basic example of machine learning. Logistic regression is used in … Continue reading

Posted in Machine Learning, R Language

R Language S4 OOP Object Initialization

I have a love-hate-love relationship with the R language. I like the huge R set of libraries (packages). But. R language syntax is very different from other languages so there’s a huge time cost to switch context from any language … Continue reading

Posted in R Language