demand.def

  p1  p2  p3  y  q1  q2  q3

  Obs:   30 time series oservations all expressed in index form

  p1 = price of meat
  p2 = price of fruit and vegetables
  p3 = price of cereal and bakery products
   y = income
  q1 = quantity of meat
  q2 = quantity of fruit and vegetables
  q3 = quantity of cereal and bakery products


    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
          p1 |        30      100.16    33.98477         48      170.1
          p2 |        30    125.9733    55.05249       34.2        266
          p3 |        30       71.35    35.58923       22.2      139.1
           y |        30       77.88    24.31765       35.2      144.6
          q1 |        30    120.1167    73.58585         32        374
-------------+--------------------------------------------------------
          q2 |        30    88.99333    49.97657       14.5      208.8
          q3 |        30    125.5267    90.71284       37.3      386.2