title: Read Quarterly time series data as Dates in R
body: <pre><code>Year    A        B        C            D        E        F
  1993-Q1 15.3    5.77    437.02      487.68     97       86.9
  1993-Q2 13.5    5.74    455.2       504.5      94.7     85.4
  1993-Q3 12.9    5.79    469.42      523.37     92.4     82.9
  :::
  2021-Q1 18.3    6.48    35680.82    29495.92    182.2   220.4
  2021-Q2 7.9     6.46    36940.3     30562.03    180.4   218
  
  Dataset1 &lt;- read.csv('C:/Users/s/Desktop/R/intro/data/Dataset1.csv')
  
   class(Dataset1)
   [1] &quot;data.frame&quot;
  
  time_series &lt;- ts(Dataset1, start=1993, frequency = 4)
  
  class(time_series)
  [1] &quot;mts&quot;    &quot;ts&quot;     &quot;matrix&quot;
  
  </code></pre>
  <p>I don't know how to proceed from there to read my Year column as dates (quaterly) instead of numbers!</p>