#0109

Subset Data Frame With Conditions

EasyR15 min10 XP

Problem

Given a data frame sales with region and revenue, keep rows where region is "South" and revenue is at least 100.

Data-frame filtering is one of the first practical R skills needed for analysis.

Example 1

InputSouth 120, North 200, South 80

Outputonly South 120

Both conditions must be true.

CodeR

sales <- data.frame(
  region = c("South", "North", "South"),
  revenue = c(120, 200, 80)
)

# write your code here

sales <- data.frame(
  region = c("South", "North", "South"),
  revenue = c(120, 200, 80)
)

# write your code here

Visible browser tests run here when available.

Testcases1 visible / 3 hidden categories

Core example

InputSouth 120, North 200, South 80

Expectedonly South 120

Both conditions must be true.

Hidden Test Categories

no matching rowsall matching rowsOR condition variant