title: Error in read.table
body: <p>I am unable to specify the correct argument for <code>row.names</code> in the function <code>read.table()</code></p>
  
  <p>here is simple text:</p>
  
  <pre><code> name      sex     age  height  
  1 x1        F       18   162  
  2 x2        M       19   170  
  3 x3        M       21   178  
  4 x4        F       22   166  
  5 x5        F       23   165  
  </code></pre>
  
  <p>when i read:  </p>
  
  <pre><code>data1=read.table('test',head=T,sep='',row.names=T)  
  invalid 'row.names' specification  
  
  data1=read.table('test',head=T,sep='',row.names=T)  
  invalid 'row.names' specification 
  </code></pre>
  
  <p>Other info:</p>
  
  <pre><code>&gt; version  
                 _                            
  platform       i686-pc-linux-gnu             
  arch           i686                           
  os             linux-gnu                      
  system         i686, linux-gnu                
  status                                        
  major          2                              
  minor          15.1                           
  year           2012                           
  month          06                             
  day            22                             
  svn rev        59600                         
  language       R                              
  version.string R version 2.15.1 (2012-06-22)  
  nickname       Roasted Marshmallows          
  </code></pre>