WGU D465 Data Applications | OA | Objective
Assessment | 70 Actual Questions and Answers
Latest Updated (Graded A+)
Correct 70
Incorrect 0
WGU D465 Data Applications | Objective Assessment
Term
An analyst is working with a package in the RStudio tidyverse used
for cleansing wide and long data to ensure that every part of a data
table or data frame is the correct type located in the correct place.
, Dplyr Tidyr
Forcats Ggplot2
Don't know?
2 of 70
Term
Which function can be used to draw arrows or add shapes to a plot
that was built using the ggplot2 package?
Give this one a try later!
annotate() geom_line
labs() aes()
Don't know?
, 3 of 70
Term
What does an analyst add to indicate the beginning or end of a data
item in R Markdown?
Give this one a try later!
Delimiter Calculated field
Comment Warning
Don't know?
4 of 70
Term
An analyst is working in RStudio with code that performs a particular
function and is contained within code that performs a broader
function. Which tool is the analyst working with?
Give this one a try later!
Vector Data frame
, Pipe Nested function
Don't know?
5 of 70
Term
An analyst is working in a database and needs to use a function that
will return all the records from one table and only the matching
records from a second table. How does the analyst determine the
order of the tables using a JOIN function?
Give this one a try later!
The table mentioned first is on the The table mentioned first is from the
right. first file selected.
The table mentioned first is on The table mentioned first is from the
the left. second file selected.
Don't know?
6 of 70
Term
Which programming language can handle trillions of rows of data
and is now a standard language for working with database
Assessment | 70 Actual Questions and Answers
Latest Updated (Graded A+)
Correct 70
Incorrect 0
WGU D465 Data Applications | Objective Assessment
Term
An analyst is working with a package in the RStudio tidyverse used
for cleansing wide and long data to ensure that every part of a data
table or data frame is the correct type located in the correct place.
, Dplyr Tidyr
Forcats Ggplot2
Don't know?
2 of 70
Term
Which function can be used to draw arrows or add shapes to a plot
that was built using the ggplot2 package?
Give this one a try later!
annotate() geom_line
labs() aes()
Don't know?
, 3 of 70
Term
What does an analyst add to indicate the beginning or end of a data
item in R Markdown?
Give this one a try later!
Delimiter Calculated field
Comment Warning
Don't know?
4 of 70
Term
An analyst is working in RStudio with code that performs a particular
function and is contained within code that performs a broader
function. Which tool is the analyst working with?
Give this one a try later!
Vector Data frame
, Pipe Nested function
Don't know?
5 of 70
Term
An analyst is working in a database and needs to use a function that
will return all the records from one table and only the matching
records from a second table. How does the analyst determine the
order of the tables using a JOIN function?
Give this one a try later!
The table mentioned first is on the The table mentioned first is from the
right. first file selected.
The table mentioned first is on The table mentioned first is from the
the left. second file selected.
Don't know?
6 of 70
Term
Which programming language can handle trillions of rows of data
and is now a standard language for working with database
