Category Archives: Data Science

Posts about data science topics.

Prevent Research Misconduct, and Avoid the Drama

Have strong research management policies so it is harder for your colleagues to engage in research misconduct.

Prevent research misconduct, and the consequences and drama that goes with it. Use some simple, practical strategies I describe in my blog post.

Mixed Methods Research: The Hot New Trend in Graduate School

For your dissertation, you might need to conduct both qualitative and quantitative research.

Mixed methods research is trending now, with doctoral students and academics being pressured to do it. But is it always the right approach? Read my blog and find out!

AI or Statistics – Which Modeling Approach Should You Use?

Choose the correct model for your scientific publication

AI or statistics – two different, interrelated approaches you can use in your scientific publication. But which one should you pick? Read my blog post and find out!

Confidence Intervals are for Estimating a Range for the True Population-level Measure

Many people find calculating confidence intervals easy - but how do you interpret them?

Confidence intervals (CIs) help you get a solid estimate for the true population measure. Read my blog and try my CI calculator!

Continuous Variable? You Can Categorize it!

Categorize a continuous variable so you can do a

Continuous variable categorized can open up a world of possibilities for analysis. Read about it on my blog!

Delete if the Row Meets Criteria? Do it in SAS!

In SAS, you can delete rows from your source dataset to develop an analytic dataset.

Delete if rows meet a certain criteria is a common approach to paring down a dataset. Read my blog for an example in SAS!

Survey Documentation: Good Luck Analyzing Survey Data Without it!

It's important to do careful planning before you program an online survey.

Chi-square Test: Insight from Using Microsoft Excel

The chi-square test can be performed in Microsoft Excel.

Chi-square test is hard to grasp – but doing it in Microsoft Excel can give you special insight. Read about it on my blog!

Identify Elements of Research in Scientific Literature

Get the most out of the scientific peer-reviewed literature when you read it!

Identify elements in research reports, and you’ll be able to understand them much more easily. My blog post shows you how!

Design the Most Useful Time Periods for Your Conversions

Choose the most appropriate time period for your time series analysis.

Time periods are important when creating a time series visualization that actually speaks to you! Get advice on my blog.