Variables & Variable Sets
Creating New Variables Using Custom Code
- How to Create a Custom Numeric R Variable
- How to Create a Custom Numeric JavaScript Variable
- Challenges With 'if' When Writing R Code
- R's Vectorized Math and Custom Variable Creation
- How to Create a Custom R Text Variable
Automatic Functions to Create New Variables
- How to Use Contrast Periods to Compare Different Time Periods in a Date Variable
- How to Create Percentiles in Displayr
- How to Automatically Combine Categories - By Pattern (CHAID)
- How to Impute Missing Data in Displayr
- How to Automatically Combine Categories - By Geography
Modifying Variables & Variable Sets
- How to Use Qualtrics MaxDiff Data in Displayr
- How to Create an Ordinal Variable from a Date/Time Variable
- How to Create a Date Variable with Irregular Time Intervals
- How to Combine Separate Questions into a Grid in Displayr
- How to Add a Category for the Value Attributes Using the Displayr API
Weights
Scale Variables
- How to Scale Variable(s) to Unit Interval Within Variable
- How to Scale Variable(s) to Center Within Variable
- How to Scale Variable(s) to Ranks Within Variable
- How to Scale Variable(s) to Standardize Within Variable
- How to Scale Variable(s) to Unit Interval Within Case