PHP interview questions part 24
PHP interview questions part 24
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. The primary source code copyright for R is held by the ___________
Correct Answer is : 42
2. R is published under the __________ General Public License version.
Correct Answer is : 2
3. You can download “base” R system from _________
Correct Answer is : error at line2
4. There are more than ________ packages on CRAN that have been developed by users and programmers around the world.
Correct Answer is : 0
5. At higher level one “limitation” of R is that its functionality is based on __________
Correct Answer is : 0
6. Which of the following command is used to print an object “x” in R?
Correct Answer is : 1
7. Which language is best for the statistical environment?
Correct Answer is : result is 1
8. In order to use the R-related functionality in Dundas BI, you must have access to an existing _________
Correct Answer is : infinite loop
9. The open source _________ software is available for Unix, Linux, and Windows platforms.
Correct Answer is : infinite loop
10. Modification in Dundas BI is done ______________
Correct Answer is : 4hello4hello4hello4hello4hello…..infinite
11. R has many functions regarding ________________
Correct Answer is : 555555555…infinitely
12. ___________ hosts many add-on packages that can be used to extend the functionality of R.
Correct Answer is : 54321111111….infinitely
13. Which is simpler for statistical programming?
Correct Answer is : 1234567891011121314….infinitely
14. A _______________ is a variable that holds one value at a time.
Correct Answer is : no output
15. Which of the following return a subset of the columns of a data frame?
Correct Answer is : 00000000000000000000….infinitely
16. _________ extract a subset of rows from a dataframe based on logical conditions.
Correct Answer is : 210
17. _________ generate summary statistics of different variables in the data frame, possibly within strata
Correct Answer is : infinite loop
18. The _______ operator is used to connect multiple verb actions together into a pipeline
Correct Answer is : 24
19. The dplyr package can be installed from GitHub using the _______ package
Correct Answer is : 24
20. The dplyr package can be installed from CRAN using :
Correct Answer is : 0
