Example Data Management Operations Exercises
Lesson Objectives
Once R data frames are created, then data management operations should be learned. In this section, focus on how to select, drop and filter variables and records using the key terms below. Examples on this page are useful to complete hands-on exercises.
Key Terms: keep, drop, assignment, subset, sort, ifelse, if_else, case_when, operators, cut, str, is.numeric, is.character, is.Date, rename, recode, replace, in, data frame options, grep, order, paste, cat, toupper, tolower, as.character, lag, lead, complete, is.na, sapply, print, loop.
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