1 files changed, 2 insertions, 2 deletions
diff --git a/lin-reg b/lin-reg
index 7a8e614..87dded5 100755
--- a/lin-reg
+++ b/lin-reg
@@ -1,7 +1,7 @@
 #!/usr/bin/env ruby
 
 require 'zipf'
-require 'trollop'
+require 'optimist'
 
 def read_data fn, scale
   f = ReadFile.new fn
@@ -24,7 +24,7 @@ def read_data fn, scale
 end
 
 def main
-  conf = Trollop::options do
+  conf = Optimist::options do
     opt :input,         "input data",         :type => :string, :required => true
     opt :output,        "output data",        :type => :string, :required => true
     opt :learning_rate, "learning rate",      :type => :float,  :default => 0.07