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Homburg Dataset from my master thesis discussing the strange occurrence of a species (Rana ridibunda) of waterfrogs in a parent-hybrid system (Rana lessonae and R. esculenta). The data set is a mixture of categorical and quantitative data.
| Legend: |
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| Variable |
States |
Comments |
| Species |
ESC, LES, RID |
ESC=Rana esculenta (the hybrid), LES=Rana lessonae (the present parental species, RID=Rana ridibunda (the parental species not present in the region) |
| Sex |
F, M, J |
F=female, M=male, J=juvenile |
| location |
Aeuli, Homburg |
Aeuli=well-connected gravel pit near Buerglen (Thurgau, Switzerland), Homburg=isolated gravel pit near Homburg (Thurgau) |
| Length |
[mm] |
Body length measured over the back in mm |
| Tibia |
[mm] |
Length of Tibia [mm] |
| Cil |
[mm] |
Length of the largest tubercle on the first toe in mm |
| Cia |
[mm] |
Height of largest tubercle on first toe in mm |
| Dp |
[mm] |
Length of first toe in mm |
| Weight |
[g] |
Bodyweight in grams (unadjusted, "fresh" weight of live frogs) |
| Bcarea |
[sq micron?] |
Average area of red blood cells (to define ploidy, all are most likely diploid) |
| Bcstd |
[sq micron?] |
Standard deviation of Bcarea |
| Bcn |
number |
Number of measured blood cells |
| agerings |
number |
Number of arrest rings in finger bone (second) |
| Gpi |
S, F |
Each individual is diploid: SS or SF or FF (S=slow, F=fast) [dimer] |
| LDH |
Rs, Rf, Lf, Li |
Rs and Rf are RID defining alleles, Li, Lf are LES defining alleles [tetramer] |
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