Tag Archives: data preparation

Data Science

Counting Rows in SAS and R Use Totally Different Strategies

Posted on by Monika Wahi
If you are a data scientist working with large datasets, you need to learn the commands to count both columns and rows in the dataset, whether you are using SAS or R.
14
Jan

Counting rows in SAS and R is approached differently, because the two programs process data in different ways. Read my blog post where I describe both ways.

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Data Science

Native Formats in SAS and R for Data Are Different: Here’s How!

Posted on by Monika Wahi
Why use particular data formats for different programming languages in statistics? Because the programs can then process the data faster and with more accuracy.
07
Jan

Native formats in SAS and R of data objects have different qualities – and there are reasons behind these differences. Learn about them in this blog post!

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Data Science

Dumbbell Plot for Comparison of Rated Items: Which is Rated More Highly – Harvard or the U of MN?

Posted on by Monika Wahi
This is an example of a dumbbell plot from the ggalt package in R that you can also use in RStudio
20
Sep

Want to compare multiple rankings on two competing items – like hotels, restaurants, or colleges? I show you an example of using a dumbbell plot for comparison in R with the ggalt package for this exact use-case!

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Courses

Data Science of Data Collection: Free Course and Course Series!

Posted on by Monika Wahi
“Understanding Research Forms, Surveys and Instruments” is a 6-course online tutorial series aimed at graduate students and new researchers so they learn how to collect data properly, and do not make mistakes that can cost them their degree or job promotion!
18
May

Learn the “data science of data collection” through my free introductory course! If you want to learn more, continue with the whole six-course series. Great for graduate students and QA/QI professionals!

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