| Snaprecruit.com

| Snaprecruit.com

Interview question based on skill :

Take as many assements as you can to improve your validate your skill rating

Total Questions: 20

1. Which of the following package contains functions for reading and displaying satellite data for oceanographic applications with R?

Correct Answer is : admin.php

2. ______ is used for Visualisation, verification and calibration of ternary probabilistic forecasts.

Correct Answer is : inc.php

3. _________ uniforms and customizes plots of packages ggplot2, graphics and lattice.

Correct Answer is : POST index.php

4. What is the output of the following code? install.packages(c("devtools", "roxygen2"))

Correct Answer is : function.inc.php

5. Which of the following is the formal requirement?

Correct Answer is : file_uploads

6. To start with the new package in RStudio, double-click the pkgname.Rproj file that _______

Correct Answer is : max_input_time

7. If you have an existing package that doesn’t have an .Rproj file, you can use devtools for the use_rstudio(“_____/to/package”) to add it.

Correct Answer is : 60 seconds

8. An .Rproj file is a ____ file.

Correct Answer is : PHP 5.2.12

9. A bundled package is a package that’s been compressed into a ______ file.

Correct Answer is : 20 files

10. ________ are built in R so that you get HTML.

Correct Answer is : memory_limit

11. Which of the following package has temporary files?

Correct Answer is : upload_tmp_dir “/tmp/phpuploads/ directory”

12. files listed in the Rbuildignore are not included in the ______

Correct Answer is : $_FILEs Array

13. .Rbuildignore prevents files in the ___________ package from appearing in the bundled package.

Correct Answer is : 5

14. _______ is not useful when developing a package since you have to install the package first.

Correct Answer is : is_uploaded_file()

15. Which function is used for seeing currently active libraries?

Correct Answer is : 2

16. Which function is used for loading packages?

Correct Answer is : i) and iv)

17. The job of the __________ file is to store important metadata about your package.

Correct Answer is : i) and iv)

18. DCF is an abbreviation for__________

Correct Answer is : isset()

19. Which of the following is most important when releasing the package?

Correct Answer is : All of the mentioned

20. Which of the following is called a one-line description of the package?

Correct Answer is : Hard-coding a login pair directly into the script