R Software Environment - Frequently Asked Questions

Q

Where to find answers to frequently asked questions on R software environment? I want to know how to know how to install R and use it to do some statistical analysis tasks.

✍: FYIcenter.com

A

Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team about R Software Environment:

Installing R Software Environment

What Is R Software Environment

Install R Software Environment on MacOS

Install R Software Environment on Windows

Install R External Packages

Run R Code Online

R Language Basics

Basic Data Types

Data Structure - Vector

Vector Is Not a Data Type

Data Structure - Named Vector

Data Structure - List

Data Structure - Factor

Data Structure - Matrix

Data Structure - Data Frame

Data Frame Example - "cars"

Get Help in R Environment

Built-in Graphics Package in R Environment

The R Graphics Package

barplot() on Numeric Vector

What Is plot() Function

plot() on Data Frame

plot() on Function

Build Graph Manually

⇒ Installing R Software Environment

2022-10-27, 256👍, 0💬

SVG "preserveAspectRatio" Attribute
How to use SVG "preserveAspectRatio" attribute to control aspect ratio? If you want to control the aspect ratio in the Viewbox-Viewport mapping, you set the SVG "preserveAspectRatio" attribute to different values: <svg preserveAspectRatio="xMidYMid meet" .../> - The default value. Resp... 2023-02-03, 220👍, 0💬

What Is the Default SVG Viewport
What Is the Default SVG Viewport? The "width" and "height" attributes in the "svg" element are optional. If them are not specified, the default Viewport will be calculated based on the enclosing area provided by hosting HTML element. More precisely, if "width" is specified, and "height" is not speci... 2023-02-03, 177👍, 0💬

What Are Nested SVG Canvases
What Are Nested SVG Canvases? Nested SVG Canvases are two canvases with one nested inside the other. Remember that a SVG canvas is represented by a "svg" XML element. So the following XML document represents two nested SVG canvases: <svg id="outer"> <!-- objects on the outer can... 2023-02-03, 169👍, 0💬

What Is the Default SVG Viewbox
What Is the Default SVG Viewbox? The "viewBox" attribute in the "svg" element is optional. If it is not specified, the default Viewbox will be the same as the Viewport. Here is a HTML document, viewbox-default.html, that has a SVG image with the default viewbox: <html><bo dy&... 2023-02-03, 166👍, 0💬

Default SVG Viewport in HTML "P" Tag
What Is the Default SVG Viewport in an HTML <p> element? If you have a SVG image with the default Viewport and include it in an HTML <p> element, the width of the Viewport will be set the width of the parent element of the <p> element. This is because &l... 2023-02-03, 162👍, 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, 155👍, 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, 155👍, 0💬

Data Structure - Factor
What is a Factor? A factor is a data structure that stores a vector and its distinct values as categories. 1. Create a factor object with the factor() function - > f = factor( c("Bike", "Car", "Truck", "Car", "Bike", "Truck") ) > f [1] Bike Car Truck Car Bike Truck Levels: Bike Car Tru... 2023-05-31, 155👍, 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, 150👍, 0💬

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