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- What does | gt; (pipe greater than) mean in R? - Stack Overflow
I have recently come across the code | gt; in R It is a vertical line character (pipe) followed by a greater than symbol Here is an example: mtcars | gt; head() What is the | gt; code doing?
- r - What are the differences between = and - Stack Overflow
R's syntax contains many ambiguous cases that have to be resolved one way or another The parser chooses to resolve the bits of the expression in different orders depending on whether = or <- was used To understand what is happening, you need to know that assignment silently returns the value that was assigned
- What is the meaning of the dollar sign $ in R function ()?
There are four forms of the extract operator in R: [, [[, $, and @ The fourth form is also known as the slot operator, and is used to extract content from objects built with the S4 object system, also known as a formally defined object in R Most beginning R users don't work with formally defined objects, so we won't discuss the slot operator
- The R %*% operator - Stack Overflow
The %*% operator is used to multiply two matrices I didn't realise 'matrix multiplication' was an established algebraic method so it was useful to learn the underlying calculation, not yet described explicitly in other answers here
- Using the symbol or | in r - Stack Overflow
2 OR or | is a logical operator So, it is always better to use it in logical operations 6 %in% c(4,6) in human language become a question like: is 6 in the this vector? and the answer is TRUE But regarding the (4|6)==6 it is difficult to interpret it
- Whats the differences between and , | and || in R?
Why there are four logical operators: , |, || What's the differences in usage? Yes, I've checked the docs, yet I'm a little bit confused The docs says: ‘ ’ and ‘ ’
- r - What do % % and %% mean? - Stack Overflow
In R: % % is the integer division operator example: 5 % % 3 will be equal to 1 as it is the quotient obtained on the integer division of 5 by 3 In Python, you can do it by simply using: 5 3
- r - When should I use the := operator in data. table? - Stack Overflow
data table objects now have a := operator What makes this operator different from all other assignment operators? Also, what are its uses, how much faster is it, and when should it be avoided?
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