title: Error when trying to connect R to PostgreSQL using RODBC
body: <p>I am trying to connect to R using RODBC. However, when I run</p>
  
  <pre><code>ch &lt;- odbcConnect("rails_dev", uid="skline", pwd="d0gsleep")
  </code></pre>
  
  <p>I get this error: </p>
  
  <pre><code>In odbcDriverConnect("DSN=rails_dev;UID=skline;PWD=d0gsleep") :
    [RODBC] ERROR: state IM002, code 0, message [iODBC][Driver Manager]Data source name not found and no default driver specified. Driver could not be loaded
  </code></pre>
  
  <p>Any thoughts? I am new to this and at a loss for what to do next... thank you so much in advance!'</p>
  
  <p>Note I am using Mac OSX</p>