A brief tutorial about how to use Heatmap Maker, a web application in R made with Shiny.   What is Heatmap Maker? Heatmap Maker is a Shiny App that allows you to make and save cluster heatmaps as the following: Heatmap Maker has as a core the func...

Photo by Arno Smit on Unsplash This is a guest post from Shannon Pileggi, an enthusiastic professional educator and statistical consultant with over ten years of experience collaborating on data analysis with diverse partners in industry, tech, p...

Consumer safety and product reliability are top of mind for regulated manufacturing industries, including pharmaceuticals. Documenting key processes, like clinical trials and laboratory tests, is critical and calls for a systematic approach. That’s where GxP comes in, with a strong focus on Good Documentation Practices. This globally recognized standard ...

How to Rotate Axis Labels in ggplot2?. Axis labels on graphs must occasionally be rotated. Let’s look at how to rotate the labels on the axes in a ggplot2 plot.  Let’s begin by creating a basic data frame and the plot. Rotate...

How to Rotate Axis Labels in ggplot2?. Axis labels on graphs must occasionally be rotated. Let's look at how to rotate the labels on the axes in a ggplot2 plot. Let's begin by creating a basic data frame and the plot. The post How to Rotate Axis Labels in ggplot2? ...

Enhance your data science toolkit with our “Shiny” learning path: build your first shiny app, make it shine and robust, and bring it to production. R Shiny is empowered data science through interactive interface. By providing your code with a UI, it...

Running into errors and warnings is a completely normal part of programming – even the best of the best can count on it happening daily! Getting comfortable with what the errors mean and how to find the solution is part of your learning journey. Here’s a checklist (pdf /png) with … ...

The collection of R books at BigBookofR continues to grow! Thanks to @erictleaungu , @StanLazic, @rohmanoabdur, @preposterior, @lago67522285 and @lfvasconcelos_ for their contributions. Computing for the social sciences By Dr. Benjamin Soltoff The goal of this course is to teach you basic computational skills and provide you with the means … The ...

The duration of a floating rate note (FRN) is the remaining time until the first next payment date. Using this fact, a duration of FRN has not been calculated explicitly but has been understood conceptually. Instead of this reasoning, this post trie...

I love the clean simplicity of an R Markdown document. But sometimes it can feel a little bare and utilitarian. This is especially the case if it’s rendered into the body of an email. How about injecting a little more pizzazz? library(emayili) Check on the installed version. packageVersion("...

One of the main assumptions of linear regression taught in statistics courses is that of “constant variance” or “homoscedasticity.” Having data that do not have constant variance (i.e., are heteroscedastic) is then often treated as a problem—a nuisance that violates our assumptions and, among other things, produces inaccurate ...