Tag Archives: case studies

Descriptive Analysis of Black Friday Death Count Database: Creative Classification

The Black Friday Death Count database has a list of news reports of deaths or injuries on Black Friday.

Descriptive analysis of Black Friday Death Count Database provides an example of how creative classification can make a quick and easy data science portfolio project!

Wiley’s Predatory Behavior: My Recent Experience and Recommendations

Predatory publishers of scientific journals engage in unethical behavior, so you should steer clear of them. Until now, I had thought Wiley did not behave like them. But a recent incident made me change my mind.

Wiley’s predatory behavior recently with a colleague’s scientific manuscript makes me want to avoid publishing in their journals. Read about our experience.

Time Series Plots in R Using ggplot2 Are Ultimately Customizable

Time series plots can be customized if you use package ggplot2 in R. You can place labels and configure axes.

Time series plots in R are totally customizable using the ggplot2 package, and can come out with a look that is clean and sharp. However, you usually end up fighting with formatting the x-axis and other options, and I explain in my blog post.

Interview Preparation for Data Science Positions: Tips and Tricks

You can actually prepare for interviewing for data science positions by doing certain activities, like looking up common questions, and practicing answers.

Interview preparation for data science jobs can involve taking several simple, actionable steps to make yourself feel confident and ready to answer questions with ease. Read my blog post for my tips and tricks!

Counting Rows in SAS and R Use Totally Different Strategies

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.

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.

Data Science YouTube Channel Planned Expansion for 2022 – Please Subscribe!

In 2022 I am going to be putting new content on my YouTube channel focused on teaching data science, and providing educational resources.

Data science YouTube channel that brings you educational resources, career advice, live interactive sessions, and keeps you up-to-date in innovation and analytics – that’s what I have planned for 2022! Read my blog post for details.

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

Why use particular data formats for different programming languages in statistics? Because the programs can then process the data faster and with more accuracy.

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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