Introduction into R - Basics 1 (Bioinformatics S7E1)

Build-in constants, imaginary number, type system, indexing, list / matrix / data.frame, and variables in the R programming language.

Lectures @ https://dannyarends.nl/bioinformatik/
Programming Assignments and Answers @ https://dannyarends.nl/bioinfo/
Playlist:    • Bioinformatics for Plant and Animal sciences  

Chapters:
00:00 Welcome
00:18 Overview of lecture 7
02:35 Installing R and using R as a calculator
05:09 Euclidean division and remainder
06:57 Build in constants in R
08:40 Imaginary numbers, Trigonometry functions, and Logarithms
11:51 Oder of operations (PEMDAS)
13:20 The R session, the working directory, and libraries
22:45 Getting help inside of R
24:38 Data types in R (logical, numeric, character, vector, and matrix)
28:26 Functions to deal with data types in R
31:33 Creating vectors and matrices in R
35:45 Indexing from a vector and/or a matrix
39:00 Again: Data types in R (lists, data.frames, and factors)
44:35 Quick test exploring data types in R
47:25 Indexing a list ( [[ and $ )
51:08 Functions for matrices and data.frames
53:53 Using variables in R and speaking names
57:22 Clean code, scripts, good script headers, and comments
58:56 An example of a script header

This is a live-stream recording of the MSc and PhD lecture series: #Bioinformatics for plant and animal sciences, given digitally during the Covid19 pandemic at the Humboldt University in Berlin organized and lectured by Dr Danny Arends.

Thanks for taking an interest in my channel 😄If you've made it this far down, support me by giving a like or subscribing. Join me during my live streams Thursday afternoons on Twitch @   / dannyarends  

This work is licensed under version 3.0 of the Creative Commons CC-BY license. For more information see http://creativecommons.org/licenses/b...

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