Users of ggplot2 often run into issues with their saved graphics not having the expected resolution or font sizes. By default, when using RStudio, ggsave() saves graphics at the last...continue reading.
I’m excited to be speaking & hosting a workshop (November 30) at this year’s R Gov Conference (@rstatsai) along with many others on December 1-2! Join us in-person or virtually...continue reading.
There are plentiful examples of spreadsheet applications leading analysts astray. Believe all the scary stories. Spreadsheets can silently damage your data, converting numbers to dates or dropping leading zeros from...continue reading.
“Both students and instructors perceive standard-error statistics as a confusing collection of specialized tools. To improve student learning, instructors long for a reduction in the number of topics needed to...continue reading.
I like this recent GOTO conference talk about the role of linguistics in understanding the language of coding. It touches upon many issues I’ve noted over the years as well...continue reading.
This post by Jonas Kristoffer Lindeløv presents a parsimonious view of common statistical tests which are, on their own, confusingly and inconsistently named and, taken together, a mess. Jonas argues...continue reading.
The goal of issuer is to provide a simple issue tracker, hosted on your local file system, for those users who don’t want to or are disallowed from using cloud-based...continue reading.
I like to standardize the column names of data I’m reading into R so that I don’t have to match column names from one dataset that has an i.d. column...continue reading.
It’s a common situation: you want to code and debug in R *and* leverage RMarkdown for a presentation or document. The challenge: file paths. Executing code in the console and from within...continue reading.
I help a few of dozen users install RStudio and learn R regularly. Whenever I need to install RStudio on a new machine, I have to think a bit about...continue reading.
When processing data downloaded from popular survey engines, it’s not uncommon for multiple choice questions to be represented as one column per possible response coded as 0/1. So, a question...continue reading.
Here are a few of the more commonly used notations found in R code and documentation that confuse coders of any skill level who are new to R. Be aware...continue reading.
Foremost in your mind should be the quintessential reality of R: Everything that happens in R is the result of a function call. Shiny is no exception. To write a...continue reading.
Pipes have been a fundamental aspect of computer programming for many decades. In short, the semantics of pipes can be thought of as taking the output from the left-hand side...continue reading.
Everything that exists in R is an object ~ John M. Chambers Everything that happens in R is the result of a function call ~ John M. Chambers Names have...continue reading.
Here’s a thought puzzle for you… given the following line of computer code, “what could go wrong?” That is, what kinds of issues could arise from submitting that code to...continue reading.
Checking whether an item is in a vector or not in a vector is a common task. The notation in R is a little inelegant when expressing the “not in”...continue reading.
Often, your R code will rely on having one or more R packages available. A little defensive coding will save users of your code—including future-you—from having to figure out which packages...continue reading.
