Introduction to R, Part I: Interface and Data Structures

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MIT RES.1-002 Introduction to R and Geographical Information Systems (GIS), Fall 2023
Instructor: Helena Vallicrosa

Get in touch with R from scratch using R base. You will learn the basics of R interface, how to interact with the code, data types (numeric, integer, character…) and data structures (matrix, data frame, lists…), finishing with exercises.
0:00 Why R?
1:25 The R Interface
3:01 Assigning Variables
7:08 Logical Questions
8:12 Data Types
10:22 Vectors
19:51 Summary Functions
21:17 Matrices
27:05 Data Frames
30:06 Lists and Exercises

License: Creative Commons BY-NC-SA

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❤❤❤❤ 0:15 ❤❤❤R has many advantages 0:26 0:26 🎉🎉🎉🎉🎉🎉🎉🎉

B_knows_A_R_D-xhlo

Very nice video! I was wondering why the function is.integer gives back FALSE even for variables that are integer, I understand that the class of a integer variable is 'numeric' and not specifically 'integer' but I was wondering why is.integer is not as linear as I thought.

nnniiikkk

Ah yes, the R language.
Good enough to do some simulations (as long as they're not too expensive), run some models, wrangle some data, create some graphs, but with all the problems of scripting languages: slow because garbage collected, runtime type checks, the interpreter keeps executing code even after running into an error in your script, weird javascript-style type coercion and really clunky dependency management. Whatever you want to build, will not attain a certain level of quality you would get from a statically typed, compiled language like C, Fortran or Rust.

ArthurSchoppenweghauer

I believe in god. Mr Sang and René Descartes are good mathematicians. He believe God very deeply. When people believe in someone they will follow their action. Mathemtatics is science and always true. Mr Stephen Hawking can you explain why he has a good result and still also believe in God. If God is wrong why he has a good result ( he has a lot of good students ). Nhận dạy kèm Anh Văn, địa chỉ 91 /2 đường 15 khu phố 4 phường Tân Thuận Tây Quận 7.

DungPhan-rsdt

The program screen is so small and background, that all the explanation is useless.
The most useless video on OCW so far👎

narehakobyan

Will R make my groceries affordable? -- or stop the genocide in Gaza and Ukraine?

facitenonvictimarum

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