Mastering R: Understanding Functions & Operators with Dr. Padilla! скачать в хорошем качестве

Mastering R: Understanding Functions & Operators with Dr. Padilla!

In this video tutorial, Dr. Padilla provides an introduction to functions in the R programming language. She begins by explaining the foundational concept of functions and highlights that R comes with numerous built-in functions as part of its extensive infrastructure. Furthermore, R's community continually develops new packages and functions, catering to a variety of needs. Dr. Padilla delves into the significance of operators in R, which are symbols like plus, minus, etc., illustrating their use with simple arithmetic examples. The video then transitions to the core topic of functions, emphasizing their syntax: a function name followed by parentheses containing input data or specifications. Dr. Padilla uses the 'c' function, which stands for 'combine', as an example, demonstrating how it groups sequences of information. She then elaborates on the 'assign operator' that helps in saving the results of functions, and further showcases functions like 'sum', 'mean', and 'standard deviation'. For those uncertain about function usage, the 'help' function is introduced as a way to obtain tips and information. She wraps up by pointing out that the functions she covered are from R's base package, and teases a subsequent tutorial on downloading and understanding additional R packages. For viewers keen on enhancing their data visualization skills in R, Dr. Padilla recommends subscribing to her channel. 00:00 Intro 00:23 What are functions 01:14 Operator 02:27 Assign 04:07 Function Syntax 06:14 Combine Function 07:53 Save function output 08:44 Sum Function 09:45 Mean Function 10:34 Help Function 🔗 Subscribe to Our Channel:    / @drdatavis   📚 R Official Documentation: https://www.rdocumentation.org/ 📘 More on R Functions: https://www.w3schools.com/r/r_functio...