Jul 22, 2016 · Then trying to explain to myself some "quirky" results I wrote this R script below. I had read that the remainder or result of modulo operator is supposed to be always positive, but this is not …

There are some differences between <- and = in the past version of R or even the predecessor language of R (S language). But currently, it seems using = only like any other modern language (python, java) …

Feb 20, 2013 · 97 R defines a ~ (tilde) operator for use in formulas. Formulas have all sorts of uses, but perhaps the most common is for regression:

I'd like to know how to learn the R language as as 'programming' language as opposed to learning it as a statistical system. My question is prompted by lack of understanding of such functions as pa...

The longer form evaluates left to right examining only the first element of each vector. Evaluation proceeds only until the result is determined. The longer form is appropriate for programming control …

2 days ago · I have the following R code that performs a multinomial logistic regression. When scaling birthweight from grams (original data) to kg (more similar scale as other variables and easier …

Aug 9, 2016 · Consider the code below: k &lt;- c(.5, 1) What does c do here? I think it must be a list or vector. If it is, how can I extend this vector to contain 1024 values?

Nov 4, 2009 · 10 You can build a compiler or interpreter for any programming language. In general, the language itself is not compiled or interpreted. So, R could be either interpreted or compiled. …

Nov 25, 2014 · I have seen the use of %&gt;% (percent greater than percent) function in some packages like dplyr and rvest. What does it mean? Is it a way to write closure blocks in R?

Aug 10, 2011 · I often seen the symbol 1L (or 2L, 3L, etc) appear in R code. Whats the difference between 1L and 1? 1==1L evaluates to TRUE. Why is 1L used in R code?