Thanks! I will check fiddle out and post if I have any questions. It can call .dylib?

Liz

On Tuesday, July 15, 2014 2:46:35 PM UTC-4, Matt Jones wrote:

On Monday, 14 July 2014 15:49:51 UTC-4, Liz Huang wrote:

I don't see anything else though, let me copy the whole page:

LoadError in SamplesizeController#compute

cannot load such file -- dl

Extracted source (around line #14):

12 13 14 15 16 17

def compute require 'dl' require 'pathname' # if ( session[:sigma_sq] <= 0.0 )

Rails.root: /Library/WebServer/smart

Application Trace | Framework Trace | Full Trace

app/controllers/samplesize_controller.rb:14:in `compute'

This error occurred while loading the following files:     dl

DL was deprecated in Ruby 2.0 and removed in 2.1 in favor of Fiddle. Fiddle docs:

http://ruby-doc.org/stdlib-2.0.0/libdoc/fiddle/rdoc/Fiddle.html

--Matt Jones