Okan Bulut – Medium

Okan Bulut

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Towards Data Science

Lexicon-Based Sentiment Analysis Using R

An empirical analysis of sentiments conveyed through public health briefings during the COVID-19 pandemic

Feb 13

Lexicon-Based Sentiment Analysis Using R

Feb 13

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Published in
Towards Data Science

Effective Feature Selection: Recursive Feature Elimination Using R

Developing an accurate and yet simple (and interpretable) model in machine learning can be a very challenging task. Depending on the…

Jan 11, 2021

Effective Feature Selection: Recursive Feature Elimination Using R

Jan 11, 2021

Published in
Towards Data Science

Likert Scales: Friend or Foe?

Pitfalls and caveats that survey researchers should know

Aug 4, 2021

Likert Scales: Friend or Foe?

Aug 4, 2021

Published in
Towards Data Science

5 Ways to Effectively Visualize Survey Data Using R

When presented visually, survey results become much more interesting than some numbers squeezed into a boring table. Data visualizations…

Mar 12, 2021

5 Ways to Effectively Visualize Survey Data Using R

Mar 12, 2021

Published in
Towards AI

AI Can Bring Fairness to Assessments but Are We Ready for It?

Last September, I came across an article on The Verge that talks about how a group of seventh-grade students figured out an easy way to…

Feb 4, 2021

AI Can Bring Fairness to Assessments but Are We Ready for It?

Feb 4, 2021

Published in
Towards AI

How AI Will End the One-Size-Fits-All Approach in Human Assessment

When it comes to human assessment , we happen to be a big fan of the one-size-fits-all approach, which AI will end in the near future…

Jan 28, 2021

How AI Will End the One-Size-Fits-All Approach in Human Assessment

Jan 28, 2021

Published in
Towards Data Science

Too Many Survey Questions? Let Ant Colony Optimization Handle It.

Are there are too many questions on your survey? Are you worried that your participants may get tired of responding to the questions in…

Jan 20, 2021

Too Many Survey Questions? Let Ant Colony Optimization Handle It.

Jan 20, 2021

Published in
Towards Data Science

Testing for Measurement Invariance in R

Do your survey questions function similarly for all respondents regardless of their demographic characteristics?

Dec 30, 2020

Testing for Measurement Invariance in R

Dec 30, 2020

Okan Bulut

Okan Bulut

Professor of data science and psychometrics | Interested in learning analytics, data mining, and ML | Twitter: @drokanbulut | Website: www.okanbulut.com

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