R language quiz medium level

Test description

Take this test and assess your knowledge of the fundamental R programming concepts.
Topics: using the main R packages (dplyr, reshape2, data.table, etc…), advanced data frame manipulations, general knowledge of the language and practical examples of how to use these tools/methods.

Sample questions

1
While simulating random numbers, what is the purpose of the set.seed() function?

Generate a random vector according to a given distribution

Set/change the kernel of R console

Settle down random in order to have reproducible results

Generate an environment saving point

Results between 1-5 / 20	39.02%
Results between 6-10 / 20	39.02%
Results between 11-15 / 20	12.2%
Results between 16-20 / 20	9.76%
Average results 7 / 20

R language quiz medium level

Test description

Sample questions

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