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Install R External Packages
How to Install R External Packages? R software environment comes with only the standard built-in package. If you want to use any external packages, you need to install it first as shown in this tutorial. 1. Start the R Console on your local computer. 2. Try to load the package using the "library()" ... 2023-07-29, ∼1435🔥, 0💬

Vector Is Not a Data Type
Is Vector a Data Type? No. Technically, "Vector" is not a data type. In R, all data items are technically "vectors". In other words, everything is a vector in R. There is no "scalar" data. This is why data "3" is printed out as "[1] 3" on the console, indicating that "3" is a vector of 1 member: &am... 2023-06-11, ∼1422🔥, 0💬

List of Transformation Functions
What are transformation functions? SVG supports 5 transformation functions: translate(), rotate(), scale(), skew(), and matrix(). 1. matrix(a, b, c, d, e, f) - Transform the object coordinates by applying a 2-d matrix with the first 4 parameters and followed by a 2-d translation with the last 2 para... 2023-08-03, ∼1406🔥, 0💬

What Is SVG Viewbox-Viewport Mapping
What is SVG Viewbox-Viewport mapping? Viewbox-Viewport mapping refers to the process of mapping a point from the Object Coordinate System to a point in the Canvas Coordinate System. The Viewbox-Viewport mapping is defined with a given area in the Object Coordinate System called Viewbox, and a given ... 2023-08-17, ∼1402🔥, 0💬

MathML Elements for Tables
Where to find tutorials on MathML Elements for Tables. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on MathML Elements for Tables. "mtable" - MathML Table Element "mtr" - MathML Table Row Element "mtd" - MathML Table Data Element "mlabeledtr" -... 2025-06-18, ∼1398🔥, 0💬

Use SVG Images in IMG Tags
How to Use SVG Images in HTML &lt;img&gt; Tags? If you want to use SVG images in HTML &lt;img&gt; Tags, you can save SVG images in .svg files and include SVG image file names in the "src" attribute of &lt;img&gt; Tags. You can follow this tutorial to test this. 1. Save the fo... 2022-10-25, ∼1387🔥, 0💬

What Are SVG Coordinate Systems
What Are SVG Coordinate Systems? There are two coordinate systems involved when rendering a graphical object on the SVG canvas: 1. The Canvas Coordinate System - It is a 2-dimensional space used in a "svg" element to define the size of the drawing canvas where all child graphical objects will be ren... 2023-08-17, ∼1386🔥, 0💬

"transform" Attribute for Transformations
What is the "transform" attribute and associated transformation functions? When drawing a graphical object, you can specify a sequence of transformation functions through the "transform" attribute. Here is the syntax of specifying the "transform" attribute on a graphical object element: &lt;{obj... 2023-08-03, ∼1385🔥, 0💬

Use SVG Images in IFRAME Tags
How to Use SVG Images in HTML &lt;iframe&gt; Tags? If you want to use SVG images in HTML &lt;iframe&gt; Tags, you can save SVG images in .svg files and include SVG image file names in the "src" attribute of &lt;iframe&gt; Tags. You can follow this tutorial to test this. 1. Sa... 2022-12-03, ∼1382🔥, 0💬

Promoting Yourself on LinkedIn
Where to find tutorials on Promoting Yourself on LinkedIn. Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on Promoting Yourself on LinkedIn. Find Friend and Send Connect Request Write a New Post on LinkedIn Follow People and Companies Join Groups... 2023-03-28, ∼1381🔥, 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: &lt;svg id="outer"&gt; &lt;!-- objects on the outer can... 2023-02-03, ∼1374🔥, 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, ∼1369🔥, 0💬

Default SVG Viewport in HTML "P" Tag
What Is the Default SVG Viewport in an HTML &lt;p&gt; element? If you have a SVG image with the default Viewport and include it in an HTML &lt;p&gt; element, the width of the Viewport will be set the width of the parent element of the &lt;p&gt; element. This is because &l... 2023-02-03, ∼1368🔥, 0💬

"mtable" - MathML Table Element
How to use the MathML Table Element: "mtable"? "mtable" is the MathML Table Element that allows you to specify sub-elements as table rows. The syntax for "mtable" element is: &lt;mtable&gt; row row ... &lt;/mtable&gt; Note that each row in a "mtable" element must be defined as a "mtr... 2025-06-18, ∼1364🔥, 0💬

"mtr" - MathML Table Row Element
How to use the MathML Table Row Element: "mtr"? "mtr" is the MathML Table Row Element that allows you to specify a row in a "mtable" element. The syntax for "mtr" element is: &lt;mtr&gt; cell cell ... &lt;/mtr&gt; Note that each cell in a "mtr" element must be defined as a "mtd" elem... 2025-04-11, ∼1360🔥, 0💬

Write a New Post on LinkedIn
How to write a new post on LinkedIn? Writing a new post on LinkedIn is simple and easy. We can do it with LinkedIn app on your phone, or Web browser on your computer. 1. Sign in to your LinkedIn account and go to the account home. You see a post input box near the top of the page. 2. Click the input... 2023-03-28, ∼1348🔥, 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 - &gt; name = c("Lori", "Mike", "Nill", "Sofi") &gt; sex = factor( c("F", "M", "M"... 2023-05-31, ∼1347🔥, 0💬

Use MathML Elements in EMBED Tags
How to Use MathML Elements in HTML &lt;embed&gt; Tags? If you want to use MathML elements in HTML &lt;embed&gt; Tags, you can save MathML elements in .mml files and include MathML file names in the "src" attribute of &lt;embed&gt; Tags. You also need to specify the type="appl... 2026-04-13, ∼1343🔥, 0💬

Commonly Used Terms in BitTorrent
Where to find descriptions on Commonly Used Terms in BitTorrent. Here is a list of descriptions on Commonly Used Terms in BitTorrent compiled by FYIcenter.com team. What Is Swarm in BitTorrent What Is Peer in BitTorrent What Is Downloader in BitTorrent What Is Leech in BitTorrent What Is Seed in Bit... 2023-10-27, ∼1341🔥, 0💬

What Is R Software Environment
What is R Software Environment? R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS. R was developed by Ross Ihaka and Robert Gentleman in 1993. R is an integrated suite of software facilities for data m... 2023-08-03, ∼1341🔥, 0💬

Basic Data Types
What are primary Data Types? There are 5 primary data types supported in R. 1. Character - Character data type represents a sequence of characters as shown below: &gt; s = "Hello World!" &gt; print(s) [1] "Hello World!" &gt; is.character(s) [1] TRUE &gt; typeof(s) [1] "character" 2. ... 2023-06-11, ∼1333🔥, 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: &gt; # get a sample of x-y coordinates &gt; sample = stats::lowess(cars) &gt; sample $x [1] 4 4 7 7 8 9 10 10 1... 2023-03-17, ∼1316🔥, 0💬

What Is Downloader in BitTorrent
What Is Downloader in BitTorrent? A Downloader in BitTorrent is a Peer in the BitTorrent network, who does not have 100% of a file yet and is still download the file. A Downloader can also share the unfinished file for others to download.   ⇒ What Is Leech in BitTorrent ⇐ What Is Peer in BitTorrent... 2022-08-26, ∼1316🔥, 0💬

Define SVG Viewbox-Viewport Mapping
How to define the SVG Viewbox-Viewport Mapping? The Viewbox-Viewport Mapping can be defined with attributes of the "svg" element: 1. Use &lt;svg viewBox="{view_min_x} {port_min_y} {view_width} {view_height}" .../&gt; attribute to set the Viewbox area which runs from ({view_min_x}, {view_min_... 2023-08-17, ∼1301🔥, 0💬

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