title: Drawdowns- Performance Analytics error--- Factor and Numeric
body: <p>Some data in a text file:</p>
  
  <pre><code>date,p
  2013-11-14,0.001
  2013-11-13,-0.005
  2013-11-12,0.001
  
  library(PerformanceAnalytics)
  stuff&lt;-read.csv("C:stuffexample.txt")
  str(stuff)
  
  'data.frame':   3 obs. of  2 variables:
   $ date: Factor w/ 3 levels "2013-11-12","2013-11-13",..: 3 2 1
   $ p   : num  0.001 -0.005 0.001
  </code></pre>
  
  <p>Want to use Performance Analytics on the data:</p>
  
  <pre><code>AverageDrawdown(stuff)
  
  Error in checkData(R) : 
    The data cannot be converted into a time series.  If you are trying to pass in names from a data object with one column, you should use the form 'data[rows, columns, drop = FALSE]'.  Rownames should have standard date formats, such as '1985-03-15'. 
  
  table.Drawdowns(box)
  
  Error in checkData(R[, 1, drop = FALSE]) : 
    The data cannot be converted into a time series.  If you are trying to pass in names from a data object with one column, you should use the form 'data[rows, columns, drop = FALSE]'.  Rownames should have standard date formats, such as '1985-03-15'. 
  </code></pre>
  
  <p>How do I fix errors?</p>