R PROGRAMLAMA DİLİ ÖĞRENELİM | RStudio KULLANIMI | R DERSLERİ

Introduction to Alp Programming Language

In this section, the instructor introduces Alp programming language and explains how it is an open-source, free programming language that works on Microsoft and MAC OS operating systems. He also mentions that Alp is one of the most widely used programming languages for data science.

Installing Alp

• To install Alp, go to the official website arpa-project.org and click on the download button.

• Select your country and city from the drop-down menu and choose the appropriate version of Alp for your operating system.

• To install Arı Studio, another tool for coding in Alp, go to art3.com and download either the free or paid version depending on your preference.

Using Notepad++ or Arı Studio for Coding

• The instructor recommends using Notepad++, Visual Studio Code, Atom or Sublime Text as text editors when coding in Alp.

• When you open Arı Studio, you will see a window with an editor where you can write your code. You can think of this editor as a blank piece of paper where you write down your ideas.

Writing Your First Program

• To write your first program in Alp, type "print("Hello World")" into the editor. This will print "Hello World" onto the console when you run it.

• Pressing Ctrl+Enter will run your code and display "Hello World" on the console.

Overall, this section provides an introduction to Alp programming language including installation instructions and basic coding concepts.

Using the Console for Help

In this section, the speaker explains how to use the console to get help with commands and packages.

Searching for Help

• Use the search bar in the console to find help on a specific topic or package.

• For example, type "CC platu" to get help with the TC Plato package.

• The console will display a helpful page with information about the command or package.

Changing Console Settings

In this section, the speaker explains how to change settings in the console.

Changing Themes

• To change themes in the console, go to Global Options and select "Appearance."

• From there, you can choose different themes for your editor and adjust font sizes.

Working with Directories

In this section, the speaker explains how to work with directories in the console.

Changing Directories

• Use "cd" followed by a directory name to navigate through directories.

• For example, type "cd desktop" to navigate to your desktop directory.

• Use "ls" to list all files and folders within your current directory.

Creating Directories and Files

• Use "mkdir" followed by a directory name to create a new directory.

• For example, type "mkdir demos" to create a new folder called "demos."

• Use "touch" followed by a file name and extension (e.g. ".txt")to create a new file.

• For example, type "touch demo.txt"to create a new text file called "demo."

Setting Working Directory

• Use setwd() function followed by path of working directory as argument

• Example : setwd("~/Desktop/demos")

Customizing Console Display

In this section, the speaker explains how to customize the display of the console.

Adjusting Display Settings

• Use "control +" or "control -" to adjust the font size in the console.

• Use "command + shift + p" to open a command palette where you can adjust settings like font size and color scheme.

• Use "command + ," to open preferences where you can change settings like tab behavior and indentation.

Working with Lists and Vectors

In this section, the speaker explains how to work with lists and vectors in R.

Creating Vectors

• Use c() function followed by values separated by commas to create a vector.

• Example : c(1,2,3)

Accessing Vector Elements

• Use square brackets [] followed by index number of element

• Example : vec

Creating Lists

• Use list() function followed by values separated by commas to create a list.

• Example : list("apple", "banana", 1:5)

Accessing List Elements

• Use double square brackets [[]] followed by index number of element

• Example : lst []

Using Logical Expressions with Vectors

In this section, the speaker explains how to use logical expressions with vectors in R.

Indexing with Logical Expressions

• Use square brackets [] along with logical expression inside it

• Example : vec[vec > 2]

Accessing List Elements using Logical Expressions

In this section, the speaker explains how to access list elements using logical expressions in R.

Indexing List Elements with Logical Expressions

• Use double square brackets [[]] along with logical expression inside it

• Example : lst[[lst == "banana"]]

Introduction to R Programming

In this section, the instructor introduces R programming and explains how to clear the console.

Clearing the Console

• To clear the console in R, press Ctrl + L or click on the brush symbol in the top right corner of the console.

Creating a Vector

• To create a vector with no values, use vector() function.

• Use NA to represent missing values in a data frame.

• Use NULL to remove elements from a vector.

Data Types

• There are several data types in R including numeric, logical, integer, character and factor.

• A data frame is a two-dimensional array that consists of rows and columns.

• You can add columns of two data frames by using cbind() function.