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authorJose Antonio Marquez2012-01-27 12:05:17 -0800
committerJose Antonio Marquez2012-01-27 12:05:17 -0800
commit3a754133dbc138390503341fd2e9beba3e43aa4b (patch)
treecdeae7d7dd9a30d7b4fab5afb7efad68d4ec7508 /imports/codemirror/mode/r/index.html
parentb89a7ee8b956c96a1dcee995ea840feddc5d4b27 (diff)
downloadninja-3a754133dbc138390503341fd2e9beba3e43aa4b.tar.gz
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1<!doctype html>
2<html>
3 <head>
4 <title>CodeMirror: R mode</title>
5 <link rel="stylesheet" href="../../lib/codemirror.css">
6 <script src="../../lib/codemirror.js"></script>
7 <script src="r.js"></script>
8 <style>
9 .CodeMirror { border-top: 1px solid silver; border-bottom: 1px solid silver; }
10 .cm-s-default span.cm-semi { color: blue; font-weight: bold; }
11 .cm-s-default span.cm-dollar { color: orange; font-weight: bold; }
12 .cm-s-default span.cm-arrow { color: brown; }
13 .cm-s-default span.cm-arg-is { color: brown; }
14 </style>
15 <link rel="stylesheet" href="../../doc/docs.css">
16 </head>
17 <body>
18 <h1>CodeMirror: R mode</h1>
19 <form><textarea id="code" name="code">
20# Code from http://www.mayin.org/ajayshah/KB/R/
21
22# FIRST LEARN ABOUT LISTS --
23X = list(height=5.4, weight=54)
24print("Use default printing --")
25print(X)
26print("Accessing individual elements --")
27cat("Your height is ", X$height, " and your weight is ", X$weight, "\n")
28
29# FUNCTIONS --
30square <- function(x) {
31 return(x*x)
32}
33cat("The square of 3 is ", square(3), "\n")
34
35 # default value of the arg is set to 5.
36cube <- function(x=5) {
37 return(x*x*x);
38}
39cat("Calling cube with 2 : ", cube(2), "\n") # will give 2^3
40cat("Calling cube : ", cube(), "\n") # will default to 5^3.
41
42# LEARN ABOUT FUNCTIONS THAT RETURN MULTIPLE OBJECTS --
43powers <- function(x) {
44 parcel = list(x2=x*x, x3=x*x*x, x4=x*x*x*x);
45 return(parcel);
46}
47
48X = powers(3);
49print("Showing powers of 3 --"); print(X);
50
51# WRITING THIS COMPACTLY (4 lines instead of 7)
52
53powerful <- function(x) {
54 return(list(x2=x*x, x3=x*x*x, x4=x*x*x*x));
55}
56print("Showing powers of 3 --"); print(powerful(3));
57
58# In R, the last expression in a function is, by default, what is
59# returned. So you could equally just say:
60powerful <- function(x) {list(x2=x*x, x3=x*x*x, x4=x*x*x*x)}
61</textarea></form>
62 <script>
63 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {});
64 </script>
65
66 <p><strong>MIME types defined:</strong> <code>text/x-rsrc</code>.</p>
67
68 <p>Development of the CodeMirror R mode was kindly sponsored
69 by <a href="http://ubalo.com/">Ubalo</a>, who hold
70 the <a href="LICENSE">license</a>.</p>
71
72 </body>
73</html>