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Data structure

What R command is used to create a vector for a column in R?
Data.matrix()
C()
Vector()
Create_vector()
How do you create a data frame using vectors in R?
Data.table()
Create_df()
Data.frame()
Frame_data()
What R command can be used to identify which grade of students spends more time on study during remote learning?
Summary()
Aggregate()
Max()
Which.max()
To calculate the average exam scores before and during remote learning for each grad
Apply()
Sapply()
Tapply()
Lapply()
How do you create a new column in a data frame called "Score_Difference" in R ?
Data$Score_Difference<-.......
Mutate(data, Score_Difference=.....)
Transform(data, Score_Difference=....)
Add_column(data, Score_Difference<-....)
 
 
 
 
 
 
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