What does Ctrl+L do in R?

What is console clear()?

Clears the console buffer and corresponding console window of display information.

What does %*% do in R?

R uses the following miscellaneous operators: The : operator creates a sequence of numbers from the left argument to the right one. The %in% operator returns TRUE if the left argument is in the vector to the right. The %*% operator performs matrix multiplication on two matrices.

What happens if we press Ctrl+P?

Ctrl+P is a keyboard shortcut to activate a PC's printer control key—the key that, when pressed, allows users to send documents or files directly to a printer. It activates the current program's print command without going through all the dialog boxes typically related to printing.

What does Ctrl+R do?

Ctrl + R is primarily used to refresh/reload a web page, but in other applications like Microsoft Office, it can align text to the right (Word) or fill cells to the right with the same data (Excel). In command-line interfaces (like Linux/macOS bash), it performs a reverse-i-search for command history. 

What is F1 F2 F3 F4 F5 f6 f7 f8 f9 f10 f11 f12 in MS Word?

In Microsoft Word, the F1-F12 keys are shortcut keys for common commands, with F1 opening Help, F7 triggering Spell Check, F12 opening the Save As dialog, and others performing actions like repeating tasks, navigating panes, or managing fields, often with combined keys (Ctrl, Shift, Alt) for more functions, though some laptop F-keys might control brightness or volume.
 

What does control +l do?

Ctrl+L Aligns the line or selected text to the left of the screen. Ctrl+M Indent the paragraph.

What is Ctrl +Z used for?

Ctrl+Z is the universal keyboard shortcut for undoing the last action in most applications, allowing you to reverse mistakes like deleting text, moving files, or making unwanted edits, and it can often be repeated to undo multiple steps. It's a fundamental command for quick corrections and reverting to previous states in programs like word processors, image editors, and even web browsers.
 

What is Ctrl+Shift+Alt+L?

Fun fact about Microsoft Windows: if you type Ctrl- Shift-Alt-Win-L, LinkedIn will open in your default browser. This is an OS hotkey that cannot be turned off.

How can I speed up my R coding?

Tips for speed

1. Use Vectorisation. A key first step is to embrace R's vectorisation capabilties. ...
2. Avoid creating objects in a loop. Example: Looping with data.frames. ...
3. Get a bigger computer. Run your code on a machine with bigger RAM and CPU. ...
4. Avoid expensive writes. ...
5. Find better packages. ...
6. Use parallel processing.

What does ``` do in R?

You can either put a code block inline in a sequence of text, by using ` to surround the code you are writing, so you could talk about eg commands like sd while writing text about it. Alternatively, if you start with a line with a sequence of three backticks ``` , this starts a separated code block.

Does Ctrl+R clear the cache?

The fastest way to clear your cache is to use the following keyboard shortcut: CTRL + SHIFT + R on Windows or Linux or CMD + SHIFT + R on a Mac or follow these steps: Check “Browsing History,” “Cookies and Other Site Data,” and “Cached images and files.” Click the Clear Data button.

Why Ctrl+Shift+R?

Ctrl + Shift + R: With this key combination you can hard refresh the current page in the Firefox browser.

What is Ctrl+A to Z?

The "Ctrl + A to Z" shortcuts are commands that use the Control (Ctrl) key with a letter key to perform specific functions, primarily for text editing (like Ctrl+C for Copy, Ctrl+V for Paste, Ctrl+Z for Undo, Ctrl+A for Select All) and file management (like Ctrl+S for Save, Ctrl+O for Open) in applications like Microsoft Word and web browsers. These shortcuts speed up common tasks, offering quick actions such as bolding (Ctrl+B), italicizing (Ctrl+I), or finding text (Ctrl+F). 

What does control D do?

Ctrl+D is a versatile shortcut: in web browsers, it bookmarks the current page; in text editors, it often deletes the current line or duplicates it; in Windows Explorer, it deletes selected files/folders; while in some applications like MS Word, it opens the Font dialog box for formatting. 

What does Ctrl+\ do?

Ctrl + ] (Control plus the right square bracket key) is a common keyboard shortcut, most notably used in Microsoft Word and other text editors to increase the selected font size by one point, making text slightly bigger with each press, while Ctrl + [ (Control plus the left bracket) does the opposite, decreasing the font size. 

Why is Ctrl+V paste?

Ctrl+V is a keyboard shortcut used to paste information into a computer document. It works by copying the data that has been highlighted and then pasting it into the document. This shortcut is used in many applications, such as word processors and text editors.

What does \\ R mean?

The carriage return character, represented as \r , is a control character that instructs the cursor to return to the beginning of the line in text output.

What is == and ===?

== is the abstract equality operator while === is the strict equality operator. The == operator will compare for equality after doing any necessary type conversions. The === operator will not do type conversion, so if two values are not the same type === will simply return false .

What do lines () do in R?

The line is plotted by connecting the points by joining the line segments between them. Lines () function is used for plotting more than one line on a line chart. Once the first line is plotted, we can use the lines () function to add another input vector to draw the second line in the line chart.