Beyond the Bar Part II: Three Alternatives for Visualizing Comparisons
Using too many bar charts in a visualization makes for a dull display. This post shares three alternatives to the bar chart that pack a powerful punch…
Check Whether a File (or Folder) Exists in R
Use the file.exists() function in R to check whether a file or folder exists in a specific directory…
Text is Sometimes Best
Graphic displays, like charts and graphs, are the go-to method for presenting data., but when you want your audience to remember a single statistic, sometimes, text is best...
Select Columns by Name in R
When analyzing a data set, sometimes you want to select columns (or variables) by name. This post shares several methods for selecting columns from a data frame by name in the R environment…
Select Columns of a Specific Type in R
When analyzing a data set, sometimes you only want to include columns with a certain data type…
Setting Missing Values When Importing Data
Missing values are a fact of data life. But when you know what values should be set to missing, you can make your life easier by specifying them before importing your data…