[Google Data Analytics Professional Certificate] Data Analysis with R Programming

[ R ] 

R : a programming language frequently used for statistical analysis, visualization, and other data analysis

 

* R is case sensitive !!

Common features

- Open-source

- Data stored in data frames

- Formulas and functions readily available

- Community for code development and support

 

Unique advantages

- Data manipulation, data visualization, and statistics packages

- "Scalpel" approach to data: find packages to do what you want with the data

 

 

[ R Six Primary Types ]

- Vector : a group of data elements of the same type

=> c() function :comnbine function

 

 

[ Package Tidyverse ] 

Tidyverse : the tidyverse is a collection of R packages specifically designed for working with data.

=> A system of packages in R with a common design philosophy for data manipulation, exploration, and visualization.

 

8 core tidyverse packages

- ggplot2

- tibble

- tidyr

- readr

- purrr

- dplyr

- stringr

- forcats

 

 

Cleaning Data packages

- here

- skimr

- janitor 

- dplyr