A_Digital_Methods_2019

What is an absolute path?

• C:/users/me/Desktop/DigitalMethods/data/SAFI_clean.csv

• data/SAFI_clean.csv

• https://ndownloader.figshare.com/files/11492171

Which one will create a new object called interviews?

• interviews[interviews =="yes"]

• create.dir(interviews)

• interviews <- c(1,2,3)

What does getwd() do in R?

• Lists the contents of the current directory

• Displays the path to your current working directory

• Sets the working space to the current directory

What is the data type of the object

interviews <- c(1, "a", TRUE, "TRUE")

• Numeric

• Character

• Logical

What will the following command rooms[!is.na(rooms)] do?

• Extract those elements of rooms which are not missing values

• Extract those elements of rooms which contain missing values

• Create a rooms object without missing values.

How should you properly name your digital objects?

• My_beautiful_object

• my.beautiful.object

• My beautiful object

• My beaut#i.fu.l 9b-ject

• MyBeautifulObject

What is a CSV file?

• Proprietary file format produced by RStudio

• Weird version of my excel spreadsheet

• Comma Separated Value file

• Tab Separated value file

How will R read the following?

round()

• As a Vector

• As a Function

• As a Subset of an Object

• As a Plot

How do you install the tidyverse package in R?

• install.tidyverse()

• library(tidyverse)

• install.packages("tidyverse")

• package("tidyverse")

What does the following code do:

read_csv("data/SAFI_clean.csv")

• Creates the new SAFI_clean.csv in the data folder

• Deletes the SAFI_clean.csv in the data folder

• Loads SAFI_clean.csv to R Studio with ephemeral output

• Creates a new object called SAFI_clean in R Studio environment.