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R is a programming language designed for statistical analysis and graphics. |
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Since R has been around since 1992, it has developed a large community and has over [13 thousand packages](https://cran.r-project.org/web/packages/) publicly available. |
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What is really cool about R is that it is an open source [GNU](http://www.gnu.org/) project. |
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# R Syntax and Paradigms |
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The syntax of R is C esk with its use of curly braces. |
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The type system of R is similar to Python where it can infer what type you are using. |
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This "lazy" type system allows for "faster" development since you don't have to worry about declaring types -- this laziness makes it harder to debug and read your code. |
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The type system of R is rather strange and distinctly different from most other languages. |
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For starters, integers are represented as vectors of length 1. |
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These things may feel weird at first, but, R's type system is one of the things that make it a great tool for manipulating data. |
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![R Arrays Start at 1](media/r/arrays.jpg) |
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Did I mention that arrays start at 1? |
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Technically, the thing which we refer to as an array in C or Java is really a vector in R. |
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Arrays in R are data objects which can store data in more than two dimensions. |
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Since R tries to follow mathematical notation, indexing starts at 1 -- just like in linear algebra. |
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Using zero based indexing makes sense for languages like C because the index is used to get at a particular memory location from a pointer. |
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<youtube src="s3FozVfd7q4" /> |
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I don't have the time to go over the basic syntax of R in a single blog post, however, I feel that this youtube video does a pretty good job. |
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# R Markdown |
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# Resources |
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- [R for Data Science(Online Book)](https://r4ds.had.co.nz/) |
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- [R Studio](https://www.rstudio.com/) |
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- [R Official Website](https://www.r-project.org/) |