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[s290-pingpong] / README

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+++ b/README
@@ -1,16 +1,16 @@
-The following R program was designed to (mostly) randomly select
-students to call for questions in a class room environment. It was
-created in Harvard Graduate School of Graduate Education's S-290 to
-replace a physical ping-pong ball jar.
+The following R program was designed to (somewhat) randomly select students
+to call for questions in a class room environment. It was created in Harvard
+Graduate School of Graduate Education's S-290 to replace a physical ping-pong
+ball jar.

 
 It takes a list of options (e.g., students), selects one at random and
 
 It takes a list of options (e.g., students), selects one at random and

-returns it, and then adjusts the weights so that the selected option
-is relatively less likely to be selected in subsequent draws.  Every
-student can be called on at any time.
+returns it, and then adjusts the weights so that the selected option is
+relatively less likely to be selected in subsequent draws.  Every student can
+be called on at any time.

 
 

-It is particularly well suited to classes in which a reasonably small
-number of students will be called on a small number of times. Over
-even a small number of classes, a very balanced list is likely.
+It is particularly well suited to classes in which a reasonably small number
+of students will be called on a small number of times. Over even a small
+number of classes, a very balanced list is likely.

 
 The software was written by Benjamin Mako Hill <mako@atdot.cc> and is
 released into the public domain.
 
 The software was written by Benjamin Mako Hill <mako@atdot.cc> and is
 released into the public domain.


@@ -20,9 +20,9 @@ Usage
 
 The first time you the program this you'll need to:
 
 
 The first time you the program this you'll need to:
 

-  Modify ping_pong_ball_jar.R in a text editor to include the list of
-  options or students that you want. There are comments in the file
-  which should help provide some direction.
+  Modify ping_pong_ball_jar.R in a text editor to include the list of options
+  or students that you want. There are comments in the file which should help
+  provide some direction.

 
   Save the modified version for later if you'll be doing this again.
 
 
   Save the modified version for later if you'll be doing this again.
 


@@ -34,20 +34,20 @@ Every time you want to select an option, you'll need to:
 
   Type "get.ping.pong.ball()" and then <ENTER> within R.
 
 
   Type "get.ping.pong.ball()" and then <ENTER> within R.
 

-  As a shortcut, you can usually just type <UP> once or twice to see
-  the last command if you're going to be running it repeatedly.
+  As a shortcut, you can usually just type <UP> once or twice to see the last
+  command if you're going to be running it repeatedly.

 
 Files
 ---------
 
 ping_pong_ball_jar.R
 
 
 Files
 ---------
 
 ping_pong_ball_jar.R
 

-  Contains the R necessary to run the program. You'll need to at least
-  modify the list of options.
+  Contains the R necessary to run the program. You'll need to at least modify
+  the list of options.

 
 ping_pong_ball_jar_simulation.R
 simulation_unweighted_random.png
 simulation_weighted.png
 
 
 ping_pong_ball_jar_simulation.R
 simulation_unweighted_random.png
 simulation_weighted.png
 

-  Code and output from simulations that show the number of questions
-  asked to each participant in a large number of simulated classes.
+  Code and output from simulations that show the number of questions asked to
+  each participant in a large number of simulated classes.