create a vector of 5 names (Gwen, Monica, Mercy, Janelle, Kaze). Save it on v_name.

v_name <- c("Gwen", "Monica", "Mercy", "Janelle", "Kaze")

Example: Out of 60 respondents considered in the survey, thirty of them indicate that they are single, twenty of them are married and ten of them are separated. Create a factor, based on the information given. (use replicate function and save in to f_ms)

f_ms <- factor(c(replicate(30, "single"), replicate(20, "married"), replicate(10, "separated")))

what is the syntax of an ordered factor

factor(vector, ordered= TRUE, levels= c(ordered vector)).

give the syntax to create a matrix

matrix(vector, nrow=n, ncol=n, byrow=T/F, dimnames=list(rvector, cvector))

give the syntax to create a data frame

data.frame(vector, vector, ...)

Create a data frame from the ”SAMPLE DATA” and name it as NEW DF2. This data frame should include the following variables: - GENDER - FAVORITE SUBJECT - GRADE IN MATH

NEW_DF <- data.frame(GENDER, FAVORITE_SUBJECT, GRADE_IN_MATH)

Create the following data frame from NEW_DF2 with the following conditions: ►sub_DF1: All male whose favorite subject is math.

sub_DF1 <- subset(NEW_DF2, GENDER== "MALE" & FAVORITE_SUBJECT=="MATH")

Use the dataset package in R to create a histogram of variable Ozone in airquality data frame called "New York Air Quality Measurement". (give the syntax)

hist("New York Air Quality Measurement"$ozone)

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output and error messages are displayed.

2.

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output and error messages are displayed.

3.

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where you will see the different objects you create or the different datasets you import.

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contains everything else including help, plots, packages, etc.

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you can type and save your commands and make notes to yourself about projects.

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Extracting means selecting columns. An imported Excel data file in R is classified as a dataframe, how we can extract a single column from a dataframe. Give the syntax:

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Number values like 3.6 are called? These values are recognized in R as is.

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93 questions

output and error messages are displayed.

output and error messages are displayed.

where you will see the different objects you create or the different datasets you import.

contains everything else including help, plots, packages, etc.

you can type and save your commands and make notes to yourself about projects.

Extracting means selecting columns. An imported Excel data file in R is classified as a dataframe, how we can extract a single column from a dataframe. Give the syntax:

Number values like 3.6 are called? These values are recognized in R as is.

Boolean values true or false are called_, They are recognized in R as TRUE or T for true and FALSE or F for false.

Text (or string) values are called__, and are recognized with ”” or ”.

a type of array that is one-dimensional.
they are logical elements in programming languages that are used for storing data.

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REVIEWER

93 questions

output and error messages are displayed.

output and error messages are displayed.

where you will see the different objects you create or the different datasets you import.

contains everything else including help, plots, packages, etc.

you can type and save your commands and make notes to yourself about projects.

Extracting means selecting columns. An imported Excel data file in R is classified as a dataframe, how we can extract a single column from a dataframe. Give the syntax:

Number values like 3.6 are called? These values are recognized in R as is.

Boolean values true or false are called_, They are recognized in R as TRUE or T for true and FALSE or F for false.

Text (or string) values are called__, and are recognized with ”” or ”.

a type of array that is one-dimensional.they are logical elements in programming languages that are used for storing data.

Access all questions and much more by creating a free account

Similar Resources on Wayground

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a type of array that is one-dimensional.
they are logical elements in programming languages that are used for storing data.