Publications by Joel Cadwell

Mutually Exclusive Clusters Are Boxes within Which Consumers No Longer Fit

08.11.2015

Sometimes we force our categories to be mutually exclusive and exhaustive even as the boundaries are blurring rapidly.Of course, I am speaking of cluster analysis and whether it makes sense to force everyone into one and only one of a set of discrete boxes. Diversity is diverse and requires a more expressive representation than possib...

5636 sym 4 img

Statistical Models That Support Design Thinking: Driver Analysis vs. Partial Correlation Networks

24.11.2015

We have been talking about design thinking in marketing since Tim Brown’s Harvard Business Review article in 2008. It might be easy for the data scientist to dismiss the approach as merely a type of brainstorming for new products or services. Yet, design issues do arise in data visualization where we are concerned with communicating...

5076 sym R (424 sym/1 pcs) 2 img

Statistical Models That Support Design Thinking: Driver Analysis vs. Partial Correlation Networks

24.11.2015

We have been talking about design thinking in marketing since Tim Brown’s Harvard Business Review article in 2008. It might be easy for the data scientist to dismiss the approach as merely a type of brainstorming for new products or services. Yet, design issues do arise in data visualization where we are concerned with communicating...

5076 sym R (424 sym/1 pcs) 2 img

The Statistician as Data Action Hero

02.12.2015

“If our goal as a field is to use data to solve problems, then we need to move away from exclusive dependence on data models and adopt a more diverse set of tools.”Leo BreimanStatistical Modeling: The Two CulturesBreiman ends the opening abstract of his “manifesto” to the statistical community with the above call to action. As a statistic...

1720 sym

The Statistician as Data Action Hero

02.12.2015

“If our goal as a field is to use data to solve problems, then we need to move away from exclusive dependence on data models and adopt a more diverse set of tools.”Leo BreimanStatistical Modeling: The Two CulturesBreiman ends the opening abstract of his “manifesto” to the statistical community with the above call to action. As a statistic...

1720 sym

The Topology Underlying the Brand Logo Naming Game: Unidimensional or Local Neighborhoods?

04.12.2015

You can find the app on iTunes and Google Play. It’s a game of trivial pursuits – here’s the logo, now tell me the brand. Each item is scored as right or wrong, and the players must take it all very seriously for there is a Facebook page with cheat sheets for improving one’s total score.Psychometrics Sees Everything as a TestWhat would a ...

11248 sym R (1399 sym/1 pcs) 10 img

The Topology Underlying the Brand Logo Naming Game: Unidimensional or Local Neighborhoods?

04.12.2015

You can find the app on iTunes and Google Play. It’s a game of trivial pursuits – here’s the logo, now tell me the brand. Each item is scored as right or wrong, and the players must take it all very seriously for there is a Facebook page with cheat sheets for improving one’s total score.Psychometrics Sees Everything as a TestWhat would a ...

11248 sym R (1399 sym/1 pcs) 10 img

Attitudes Modeled as Networks

10.12.2015

In case you missed it, Jonas Dalege and his colleagues at the PsychoSystems research group have recently published an article in Psychological Review detailing how attitudes can be represented as network graphs. It is all done using R and a dataset that can be downloaded by registering at the ANES data center. You will find the R code under Scrip...

2680 sym 2 img

Attitudes Modeled as Networks

10.12.2015

In case you missed it, Jonas Dalege and his colleagues at the PsychoSystems research group have recently published an article in Psychological Review detailing how attitudes can be represented as network graphs. It is all done using R and a dataset that can be downloaded by registering at the ANES data center. You will find the R code under Scrip...

2680 sym 2 img

BayesiaLab-Like Network Graphs for Free with R

18.12.2015

My screen has been filled with ads from BayesiaLab since I downloaded their free book. Just as I began to have regrets, I received an email invitation to try out their demo datasets. I was especially interested in their perfume ratings data. In this monadic product test, each of 1,321 French women was presented with only one of 11 per...

4780 sym R (538 sym/1 pcs) 4 img