R Under development (unstable) (2025-10-03 r88899 ucrt) -- "Unsuffered Consequences"
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> library( "micEcon" )

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> data( "utility" )
> 
> lapply( utility, summary )
$firm
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
   1.00   18.50   37.00   36.51   54.50   72.00 

$year
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  86.00   88.00   91.00   91.01   94.00   96.00 

$y
    Min.  1st Qu.   Median     Mean  3rd Qu.     Max. 
  499166  5214805 10856320 13482200 18489327 75467870 

$regu
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
 0.0000  0.0000  1.0000  0.6245  1.0000  1.0000 

$k
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  66549  279019  662773  904115 1278909 3878295 

$labor
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
     80    1120    2345    3033    3904   23305 

$fuel
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
   6094   45249   93494  129742  175770  734273 

$wl
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  9.944  19.882  23.140  23.621  26.695  45.733 

$wf
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
  1.135   1.797   1.934   1.952   2.091   3.562 

$wk
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
0.07822 0.12073 0.13081 0.13212 0.14211 0.20503 

> 
> proc.time()
   user  system elapsed 
   0.93    0.17    1.07