first draft of variables and objects

[don.git] / r / learning_r / variables_and_objects.mdwn

diff --git a/r/learning_r/variables_and_objects.mdwn b/r/learning_r/variables_and_objects.mdwn
index 8a32e924d968e1222dace826cd9b1e58066c75a2..202dd8b388898915f4beb084de5193172410e0ca 100644 (file)
--- a/r/learning_r/variables_and_objects.mdwn
+++ b/r/learning_r/variables_and_objects.mdwn
@@ -1,21 +1,32 @@
 [[!meta title="Learning R: Basic Variables and Objects"]]
 
-Eventually here, you'll see some explanation of basic usage of
-variables and objects in R. For the time being, there are just some
-tests of my
-[sweavealike](http://git.donarmstrong.com/?p=ikiwiki_plugins.git;a=blob;f=sweavealike.pm;hb=HEAD)
-plugin for IkiWiki.
+Variables and Objects
+---------------------
 
+Like most computer languages, R uses variables as a means of storing
+information in memory and retrieving it later. A variable 
+
+In R, variables are more correctly called objects, because they have
+structure and do not directly refer to a memory.
+
+Basic Types
+----------
+
+Vectors
+=======
+
+A vector is the major data type used in R. You can think of it as a
+line of cells, each containing a value of the same type.
+[Type here means a number or a string.]
+
+
+Lists
+=====
+
+
+Object Attributes
+-----------------
 
-[[!sweavealike echo=1 code="""
-a <- 1
-a <- a + 10
-print(a)
-"""]]
 
-[[!sweavealike fig=1 echo=1 results="hide" code="""
-plot(1:10,(1:10)^2,xlab="x",ylab="x^2",main="Example Figure")
-"""]]
 
 
-testing