You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
<!doctype html>
<title>CodeMirror: R mode</title><meta charset="utf-8"/><link rel=stylesheet href="../../doc/docs.css">
<link rel="stylesheet" href="../../lib/codemirror.css"><script src="../../lib/codemirror.js"></script><script src="r.js"></script><style> .CodeMirror { border-top: 1px solid silver; border-bottom: 1px solid silver; } .cm-s-default span.cm-semi { color: blue; font-weight: bold; } .cm-s-default span.cm-dollar { color: orange; font-weight: bold; } .cm-s-default span.cm-arrow { color: brown; } .cm-s-default span.cm-arg-is { color: brown; } </style><div id=nav> <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
<ul> <li><a href="../../index.html">Home</a> <li><a href="../../doc/manual.html">Manual</a> <li><a href="https://github.com/codemirror/codemirror">Code</a> </ul> <ul> <li><a href="../index.html">Language modes</a> <li><a class=active href="#">R</a> </ul></div>
<article><h2>R mode</h2><form><textarea id="code" name="code"># Code from http://www.mayin.org/ajayshah/KB/R/
# FIRST LEARN ABOUT LISTS --X = list(height=5.4, weight=54)print("Use default printing --")print(X)print("Accessing individual elements --")cat("Your height is ", X$height, " and your weight is ", X$weight, "\n")
# FUNCTIONS --square <- function(x) { return(x*x)}cat("The square of 3 is ", square(3), "\n")
# default value of the arg is set to 5.cube <- function(x=5) { return(x*x*x);}cat("Calling cube with 2 : ", cube(2), "\n") # will give 2^3cat("Calling cube : ", cube(), "\n") # will default to 5^3.
# LEARN ABOUT FUNCTIONS THAT RETURN MULTIPLE OBJECTS --powers <- function(x) { parcel = list(x2=x*x, x3=x*x*x, x4=x*x*x*x); return(parcel);}
X = powers(3);print("Showing powers of 3 --"); print(X);
# WRITING THIS COMPACTLY (4 lines instead of 7)
powerful <- function(x) { return(list(x2=x*x, x3=x*x*x, x4=x*x*x*x));}print("Showing powers of 3 --"); print(powerful(3));
# In R, the last expression in a function is, by default, what is# returned. So you could equally just say:powerful <- function(x) {list(x2=x*x, x3=x*x*x, x4=x*x*x*x)}</textarea></form> <script> var editor = CodeMirror.fromTextArea(document.getElementById("code"), {}); </script>
<p><strong>MIME types defined:</strong> <code>text/x-rsrc</code>.</p>
<p>Development of the CodeMirror R mode was kindly sponsored by <a href="https://twitter.com/ubalo">Ubalo</a>.</p>
</article>
|
