The code chunk that lets the analyst create the phone_number column is: unite(customers, "phone_number", area_code, phone_num, sep="-"
<h3>What is a data frame?</h3>
A data frame refers to a two-dimensional array-like structure or table that is made up of rows and columns, which is typically used for storing data in R Studio using the R programming language.
In Computer programming, a data frame is a list of vectors that are all equal in length, and each column consist of values of one variable while each row consist of a set of values from each column.
<h3>The executable code in R Studio.</h3>
In this scenario, the code chunk that would be used to create a data frame that combines the two columns into a single column (phone_number) is:
- unite(customers, "phone_number", area_code, phone_num, sep="-"
Read more on data frame here: brainly.com/question/25558534
Catch me outside .....autumn
Answer:
the "they" being referred to is the scientists
Explanation:
Wounds, such as bites from domestic animals, wild animals and stings from marine life, such as stingrays, require professional medical attention as soon as possible to avert a potentially fatal infection of the central nervous system therefore the infection is called anaphylaxis and is denoted as option D.
<h3>What is A
naphylaxis?</h3>
This is referred to as a severe, potentially life-threatening allergic reaction and is caused by the exposure of the body to allergens.
These allergens may arise from various types of incidents such as bites from domestic animals, wild animals and stings from marine life etc and needs to be treated immediately in other to prevent complications.
Read more about Anaphylaxis here brainly.com/question/13137912
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Answer:
independent variables : are variables that are self independent
dependent variables: are variables that depend on the independent variables
Explanation:
eg. As the pressure of the room increases its temperature increases
independent variable : the pressure of the room as its not effected by anything else (mentioned in the equation )
dependent variable : Heat of the room as it depends on the increases or decrease in pressure
