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…
Removing Extra Spaces in a (Text) String
Extra spaces in text data are a common problem. This post shares three ways to remove (all) unwanted spaces in a text string in R…
Gridlines Be Gone!
Ever needed to paste an Excel object with borders into a PowerPoint slide without the gridlines showing? Well, this post will show you how!
Beyond the Bar: Alternative Methods for Visualizing Two Points of Change
When illustrating change between two data points, most default to the clustered (or grouped) bar graph. This post shares several alternative methods for visualizing change between two points in time that go beyond the bar chart…