->  codebook


nation ----------------------------------------------------------------- Nation
                  type:  numeric (int)
                 label:  country

                 range:  [1,128]                      units:  1
         unique values:  128                  coded missing:  0 / 128

              examples:  25    Guinea
                         51    Honduras
                         76    Hungary
                         102   Ireland


encon85 ----------------------------------------- Energy Consumption per Person
                  type:  numeric (int)

                 range:  [17,9224]                    units:  1
         unique values:  117                  coded missing:  3 / 128

                  mean:    1514.8
              std. dev:    1961.2

           percentiles:        10%       25%       50%       75%       90%
                               43       131       634      2409      4569


popgro85 ---------------------------------------- Mean Annual Population Growth
                  type:  numeric (float)

                 range:  [-.2,6.2]                    units:  .1
         unique values:  47                   coded missing:  3 / 128

                  mean:    2.1616
              std. dev:   1.21528

           percentiles:        10%       25%       50%       75%       90%
                               .3       1.2       2.4         3       3.5


fert84 --------------------------------------------- Fertilizer Use per Hectare
                  type:  numeric (int)

                 range:  [0,11468]                    units:  1
         unique values:  115                  coded missing:  0 / 128

                  mean:   1150.02
              std. dev:   1826.27

           percentiles:        10%       25%       50%       75%       90%
                               21      66.5     375.5      1581      3435


birthr85 ----------------------------------------------------- Crude Birth Rate
                  type:  numeric (byte)

                 range:  [10,54]                      units:  1
         unique values:  42                   coded missing:  3 / 128

                  mean:    32.496
              std. dev:   13.5775

           percentiles:        10%       25%       50%       75%       90%
                               13        19        34        45        49

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