Sean van der Merwe
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data
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hypothesis testing
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Drawing an interactive biplot with echarts4r
R
plot
Biplots can contain a lot of information. To dig into that information it would help if one could interact with the plot. Thus, we want to plot the information in a modern…
2025-11-15
Sean van der Merwe
Simple Power Analysis
R
hypothesis testing
Assume the following:
2023-02-19
Sean van der Merwe
Read and write files from R, starting with Excel files
R
data
The purpose of this guide is to highlight the many ways to read and write Excel files from R, and discuss alternatives along the way.
2021-12-15
Sean van der Merwe
Thoughts about teaching, consultation, and research
opinion
teaching
A:
A good student thanks the teacher for the student’s own successes, a bad student blames the teacher for their own failures. I teach the ones in between.
2018-08-15
Sean van der Merwe
Thoughts about religious issues
opinion
religion
A:
Every religion on earth has leaders that try to corrupt that religion for their own gain. Sometimes they convince themselves and those around them that they are serving…
2018-08-14
Sean van der Merwe
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