barplot() on Numeric Vector

Q

How to use the barplot() function on a numeric vector?

✍: FYIcenter.com

A

barplot() function is provided in the built-in "graphics" package. You don't need to install any external packages to use barplot().

If you have a numeric vector, you can visualize it as a bar chart with the barplot() function.

Call barplot() with on a numeric vector:

> v = c(2,3,4)

> typeof(v)
[1] "double"

> barplot(v)

Call barplot() with on a named numeric vector. The name for each member will be printed below the bar.

> v = c(2,3,4)
> names(v) = c("First", "Second", "Third")

> typeof(v)
[1] "double"

> barplot(v)

⇒ What Is plot() Function

⇐ The R Graphics Package

⇑ Built-in Graphics Package in R Environment

⇑⇑ R Software Environment - Frequently Asked Questions

2023-05-09, ∼1246🔥, 0💬

plot() on Data Frame
How to use the plot() function on a data frame? If you have a data frame with 2 columns, you can pass the data frame as the first argument to the plot() function to visualize the data. Call plot() with the example data frame, "cars": > dim(cars) [1] 50 2 > plot(cars) The following grap... 2023-03-17, ∼1267🔥, 0💬

The R Graphics Package
What is The R Graphics Package? The R Graphics Package is built-in "graphics" package in the R environment. It provides functions for "base" graphics, which are traditional S-like graphics, as opposed to the more recent grid graphics. Here is a list of all functions provided in "graphics 4.0.5" rele... 2023-05-09, ∼1262🔥, 0💬

Data Frame Example - "cars"
What is the Data Frame Example, "cars"? "cars" is a built-in data frame example in R environment. "cars" has two columns: "speed" and "dist". Each row records an instance of the stopping distance of a car driving at a given speed. Note that the data were recorded in the 1920s. 1. Basic info on "cars... 2023-05-31, ∼1255🔥, 0💬

barplot() on Numeric Vector
How to use the barplot() function on a numeric vector? barplot() function is provided in the built-in "graphics" package. You don't need to install any external packages to use barplot(). If you have a numeric vector, you can visualize it as a bar chart with the barplot() function. Call barplot() wi... 2023-05-09, ∼1247🔥, 0💬

1962 United States - Blowin' in the Wind
"Blowin' in the Wind" is a song written by Bob Dylan in 1962 and released as a single and on his album The Freewheelin' Bob Dylan in 1963. In 1994, "Blowin' in the Wind" was inducted into the Grammy Hall of Fame. In 2004, it was ranked number 14 on Rolling Stone magazine's list of the "500 Greatest ... 2023-03-17, ∼1208🔥, 0💬

plot() on Function
How to use the plot() function on a function? If you have a known function with a single independent variable, you can pass the data frame as the first argument followed by a starting value and an ending value to the plot function to visualize the function. Call plot() with the sin() function: &... 2023-03-17, ∼1196🔥, 0💬

Build Graph Manually
How to build a graph manually using the built-in graphics package? You can build a graph manually using low level functions provided in built-in graphics package as show below: > # get a sample of x-y coordinates > sample = stats::lowess(cars) > sample $x [1] 4 4 7 7 8 9 10 10 1... 2023-03-17, ∼1163🔥, 0💬

Data Structure - Data Frame
What is a Data Frame? Data Frame is a generalization of matrix where columns may have different data types. Technically, a data frame is a special list. 1. Create a factor object with the data.frame() function - > name = c("Lori", "Mike", "Nill", "Sofi") > sex = factor( c("F", "M", "M"... 2023-05-31, ∼1159🔥, 0💬

Get Help in R Environment
How to get help in R environment? You can use the help() function to get help in R environment. 1. Get help on the help() function: > help(help) help is the primary interface to the help systems. Usage help(topic, package = NULL, lib.loc = NULL, verbose = getOption("verbose"), try.all.package... 2023-05-31, ∼1056🔥, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.