Tag Archives: decision-making

Classification Crosswalks: Strategies in Data Transformation

What if you have too many categories in a categorical variable? Your cardinality is too high for a chi-square analysis.

Classification crosswalks are easy to make, and can help you reduce cardinality in categorical variables, making for insightful data science portfolio projects with only descriptive statistics. Read my blog post for guidance!

Color in Visualizations: Using it to its Full Communicative Advantage

When using big data, you will want to make visualizations. How do you use color to the greatest communicative advantage?

Color in visualizations of data curation and other data science documentation can be used to enhance communication – I show you how!

Text and Arrows in Dataviz Can Greatly Improve Understanding

Adding text and arrows to diagrams can help your audience navigate the image, and understand what you are trying to communicate.

Text and arrows in dataviz, if used wisely, can help your audience understand something very abstract, like a data pipeline. Read my blog post for tips in choosing images for your data visualizations!

Data Science Services: Which Level Is Right for You?

If you want to learn about data science online, then you want to check out all of our online learning resources, such as YouTube videos and tutorials.

Data science services online in the comfort of your own home? That’s our specialty! We give you online educational events, learning resources, courses, coaching and more!

Table Editing in R is Easy! Here Are a Few Tricks…

When you use a data analysis program like R or SAS, you often have to do some data editing. It can be difficult because the software was intended for calculations, not transformation.

Table editing in R is easier than in SAS, because you can refer to columns, rows, and individual cells in the same way you do in MS Excel. Read my blog post for example R table editing code.

Statistics Trivia for Data Scientists

Public health, artificial intelligence, and data science trivia! Fun! Educational! Test your knowledge!

Statistics trivia for data scientists will refresh your memory from the courses you’ve taken – or maybe teach you something new! Visit my blog to find out!

Management Tips for Data Scientists

When working in data science, there are some tips and tricks to managing your communication and relationship with superiors that can help you advance in your career.

Management tips for data scientists can be used by anyone – at work and in your personal life! Get the details in my blog post.

The Paste Command in R is Great for Labels on Plots and Reports

The paste command is used to concatenate strings in R. You can use it different ways, which is what I demonstrate in my blog and videos.

The paste command in R is used to concatenate strings. You can leverage the paste command to make refreshable label objects for reports and plots, as I describe in my blog post.

Adding Error Bars to ggplot2 Plots Can be Made Easy Through Dataframe Structure

Error bars on plots can provide the audience an estimate of the amount of certainty you have with your estimates.

Adding error bars to ggplot2 in R plots is easiest if you include the width of the error bar as a variable in your plot data. Read my blog post to see an example.

Data Curation Solution to Confusing Options in R Package UpSetR

It is possible to use data curation to solve the problem of a confusion vector containing options.

Data curation solution that I posted recently with my blog post showing how to do upset plots in R using the UpSetR package was itself kind of a masterpiece. Therefore, I thought I’d dedicate this blog post to explaining how and why I did it.

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