R Programming
13 free tests · +25 coins for finishing one · +15 more above 80% — banked to your account when you sign up.
Practice tests
R Programming Mock Test
50 Q · 1 h · 803 attempts · avg 26%
Vectorized Operations
10 Q · 10 min · 484 attempts · avg 43.3%
Subsetting
10 Q · 10 min · 842 attempts · avg 80%
R Programming Questions
10 Q · 10 min · 664 attempts · avg 75%
Reading Datasets
10 Q · 10 min · 941 attempts · avg 50%
Introduction to R Programming
10 Q · 10 min · 535 attempts · avg 90%
Introduction to dplyr
10 Q · 10 min · 594 attempts · avg 80%
Functions in R
10 Q · 10 min · 677 attempts · avg 50%
Data Types
10 Q · 10 min · 848 attempts · avg 90%
Control Structures
10 Q · 10 min · 824 attempts · avg 90%
Dates and Times
10 Q · 10 min · 420 attempts · avg 70%
Connection Interfaces
10 Q · 10 min · 869 attempts · avg 90%
Textual Data Formats
10 Q · 10 min · 418 attempts · avg 70%
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