Generates dummy geographic distribution data for multiple species

dummy_dist(
  nsp = 10,
  max_occ = 10,
  xmin = 0,
  xmax = 5,
  ymin = 0,
  ymax = 5,
  step = 0.1,
  seed = NULL
)

Arguments

nsp

integer

max_occ

integer

xmin

numeric

xmax

numeric

ymin

numeric

ymax

numeric

step

numeric

seed

integer

Value

A data.frame with three columns

Author

Gilles Dauby, gildauby@gmail.com

Examples

dummy_dist(nsp = 5) ## five species dataset
#>    ddlat ddlon taxa
#> 1    4.7   2.5 tax1
#> 2    2.9   5.0 tax1
#> 3    4.9   2.7 tax1
#> 4    3.3   0.0 tax1
#> 5    3.8   3.5 tax1
#> 6    4.5   0.4 tax1
#> 7    2.8   0.2 tax1
#> 8    2.0   2.8 tax1
#> 9    3.5   0.1 tax1
#> 10   1.3   3.2 tax2
#> 11   4.3   2.2 tax2
#> 12   1.0   4.1 tax3
#> 13   4.0   1.6 tax3
#> 14   0.1   2.4 tax3
#> 15   2.9   0.1 tax3
#> 16   4.2   1.8 tax3
#> 17   0.8   3.1 tax3
#> 18   1.0   1.1 tax4
#> 19   2.0   2.5 tax4
#> 20   0.9   3.0 tax4
#> 21   1.6   1.0 tax4
#> 22   1.1   1.4 tax5
#> 23   1.4   4.7 tax5
#> 24   2.1   3.7 tax5
dummy_dist(xmin = -20, xmax = 30, nsp = 30)
#>     ddlat ddlon  taxa
#> 1     4.4   8.5  tax1
#> 2     0.2  15.6  tax1
#> 3     4.3 -17.0  tax2
#> 4     2.5  21.2  tax2
#> 5     3.1  -9.9  tax2
#> 6     2.4 -15.9  tax2
#> 7     1.0  21.4  tax2
#> 8     0.6   1.3  tax2
#> 9     4.0  10.0  tax2
#> 10    2.8  -2.1  tax2
#> 11    4.7  -4.9  tax2
#> 12    4.6  29.3  tax3
#> 13    0.4   6.1  tax3
#> 14    2.8  17.8  tax4
#> 15    4.7 -13.1  tax5
#> 16    4.1  16.7  tax5
#> 17    3.8  18.8  tax6
#> 18    1.3   1.5  tax7
#> 19    1.0  27.4  tax7
#> 20    0.1  18.8  tax7
#> 21    4.2  -5.1  tax7
#> 22    2.9   9.1  tax7
#> 23    3.2  22.1  tax7
#> 24    1.6 -12.1  tax7
#> 25    1.2   7.9  tax7
#> 26    4.1  15.6  tax7
#> 27    3.0 -16.5  tax8
#> 28    4.4  27.4  tax8
#> 29    2.9  19.9  tax8
#> 30    3.5  28.1  tax8
#> 31    1.6   0.9  tax8
#> 32    0.2  -3.3  tax8
#> 33    2.7  24.6  tax8
#> 34    0.9   2.7  tax9
#> 35    0.2  -9.8  tax9
#> 36    1.1 -19.8  tax9
#> 37    4.6  -7.4  tax9
#> 38    4.0  12.2  tax9
#> 39    3.9 -19.9  tax9
#> 40    2.2  13.4  tax9
#> 41    2.5 -14.3  tax9
#> 42    2.7   2.6  tax9
#> 43    4.1   8.6 tax10
#> 44    5.0   3.9 tax10
#> 45    0.9  10.4 tax11
#> 46    1.8   7.1 tax11
#> 47    3.7  22.0 tax11
#> 48    3.8   8.7 tax11
#> 49    2.9 -19.8 tax11
#> 50    0.4  14.4 tax11
#> 51    0.3  -9.6 tax11
#> 52    1.0  29.8 tax11
#> 53    3.9  27.0 tax12
#> 54    1.6 -12.3 tax12
#> 55    1.0  11.1 tax12
#> 56    4.1   8.3 tax12
#> 57    3.2  27.5 tax12
#> 58    0.2  14.4 tax13
#> 59    3.2   7.9 tax13
#> 60    3.0  20.6 tax13
#> 61    0.1  -3.9 tax13
#> 62    1.5  28.2 tax13
#> 63    0.6   6.9 tax13
#> 64    0.2   2.5 tax14
#> 65    3.1   3.9 tax14
#> 66    2.2  -8.2 tax14
#> 67    2.7  16.6 tax15
#> 68    0.2  12.6 tax16
#> 69    2.3 -12.3 tax16
#> 70    5.0  -2.6 tax16
#> 71    0.1  -5.5 tax16
#> 72    1.7 -18.9 tax16
#> 73    0.0 -13.2 tax17
#> 74    4.4  29.4 tax17
#> 75    3.9 -13.5 tax17
#> 76    0.7 -17.7 tax17
#> 77    2.6 -10.6 tax17
#> 78    0.5 -12.7 tax17
#> 79    1.5  16.6 tax17
#> 80    4.7   7.0 tax17
#> 81    2.2   5.8 tax17
#> 82    0.3  11.2 tax18
#> 83    3.6   5.0 tax19
#> 84    1.7  29.3 tax19
#> 85    0.4  -5.0 tax20
#> 86    1.2   0.1 tax20
#> 87    3.9  19.4 tax20
#> 88    2.8  -2.5 tax20
#> 89    1.7   9.6 tax20
#> 90    3.5 -14.5 tax20
#> 91    3.8  21.2 tax20
#> 92    1.1  -7.7 tax21
#> 93    4.0  12.3 tax22
#> 94    3.9 -14.5 tax23
#> 95    2.9  13.4 tax23
#> 96    0.0 -10.2 tax23
#> 97    3.2 -13.8 tax24
#> 98    2.1  11.7 tax24
#> 99    3.3  10.3 tax24
#> 100   0.9 -11.6 tax24
#> 101   1.5  14.0 tax25
#> 102   5.0  10.5 tax25
#> 103   1.4  12.9 tax25
#> 104   4.5  12.5 tax25
#> 105   4.1  -0.5 tax25
#> 106   0.4  -3.6 tax25
#> 107   1.7  -0.9 tax26
#> 108   2.5  -7.1 tax26
#> 109   0.6 -12.1 tax26
#> 110   0.3   0.9 tax26
#> 111   3.9  -9.3 tax26
#> 112   0.0  29.0 tax26
#> 113   3.3   0.9 tax27
#> 114   0.4  22.5 tax27
#> 115   0.8  26.4 tax27
#> 116   4.8  13.2 tax27
#> 117   1.7  -4.3 tax27
#> 118   3.8  22.0 tax27
#> 119   2.6  -4.5 tax28
#> 120   1.4  24.8 tax28
#> 121   3.7  30.0 tax28
#> 122   4.5   2.3 tax28
#> 123   2.4  10.2 tax28
#> 124   3.8   2.7 tax28
#> 125   0.9  21.8 tax29
#> 126   2.6  21.9 tax29
#> 127   4.0  22.0 tax29
#> 128   3.4  26.0 tax29
#> 129   0.6  -4.5 tax29
#> 130   3.7   5.6 tax29
#> 131   5.0 -11.5 tax30
#> 132   4.2  -4.4 tax30
#> 133   0.5   3.8 tax30
#> 134   2.3  13.0 tax30
#> 135   3.3  19.0 tax30