Question

Which of the following statement is true?
We can use the concept of sub-setting for the selection of variables and
observations
per predefined specifications, data visualization is known as the
organization of information
Dabases which contains same observation must be combined to get a
resumes more variables.
​

Answer 1

Answer:

Firsts sentence we can use concept of sub-setting for the selection of variable and observations.

Answer 2

The correct option is We can use the concept of sub-setting for the selection of variables and observations.

Explanation:

• Subsetting is a handy indexing function in R for gaining access to object elements.
• Brackets can be used to select rows and columns from your dataframe.
• It may be used to pick and choose whatever variables and observations to look at.
• The primary goal of subsetting is to save network bandwidth and client computer storage space.
• For the following reasons, subsetting may be advantageous: Limit or split the time period. cross-sections of data to be selected.

#SPJ3