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+<!doctype html>
+<html>
+ <head>
+ <title>CodeMirror: R mode</title>
+ <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>
+ <link rel="stylesheet" href="../../doc/docs.css">
+ </head>
+ <body>
+ <h1>CodeMirror: R mode</h1>
+ <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 2^3
+cat("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="http://ubalo.com/">Ubalo</a>, who hold
+ the <a href="LICENSE">license</a>.</p>
+
+ </body>
+</html>