This is Quiz 2 from the Data Scientist’s toolbox course within the Data Science Specialization. This publication is intended as a learning resource, all answers are documented and explained.
1. Which of the following commands will create a directory called data in your current working directory?
Creates directory in working directory.
2. Which of the following will initiate a git repository locally?
Initiaties local repository.
3. Suppose you have forked a repository called datascientist on Github but it isn’t on your local computer yet. Which of the following is the command to bring the directory to your local computer?
If you don’t have a local copy of the repo you use the clone command to create a new directory and remote tracking branches fro each branch. The pull command is used to update repos that are already local.
4. Which of the following will create a markdown document with a secondary heading saying “Data Science Specialization” and an unordered list with the following for bullet points: Uses R, Nine courses, Goes from raw data to data products
“## Data Science Specialization
Uses R
Nine courses
Goes from raw data to data products"
Self-explanatory
5. Install and load the KernSmooth R package. What does the copyright message say?
Run code:
require(KernSmooth)## Loading required package: KernSmooth## KernSmooth 2.23 loaded
## Copyright M. P. Wand 1997-2009Website: http://www.ryantillis.com/