Table 2. Average estimates of Maxent distribution models for small carnivores in Mudumalai Tiger Reserve (2010 and 2011).
Species | Randomtest (%)* | Number of Training samples | Mean Regularized training gain | Mean Unregularized training gain | Mean Training AUC | Number of Test samples | MeanTest gain | MeanTest AUC | Mean AUC Standard Deviation |
F. chaus | 20 | 28 | 0.75 | 0.92 | 0.85 | 7 | 0.56 | 0.79 | 0.068 |
30 | 25 | 0.75 | 0.96 | 0.86 | 10 | 0.55 | 0.80 | 0.061 | |
40 | 21 | 0.75 | 0.99 | 0.86 | 14 | 0.50 | 0.79 | 0.049 | |
50 | 18 | 0.79 | 1.04 | 0.86 | 17 | 0.39 | 0.78 | 0.048 | |
Average | 0.76 | 0.98 | 0.86 | 0.50 | 0.79 | 0.056 | |||
V. indica | 20 | 40 | 0.55 | 0.70 | 0.82 | 9 | 0.45 | 0.78 | 0.059 |
30 | 35 | 0.60 | 0.78 | 0.83 | 14 | 0.24 | 0.73 | 0.054 | |
40 | 30 | 0.59 | 0.77 | 0.83 | 19 | 0.31 | 0.74 | 0.049 | |
50 | 25 | 0.62 | 0.84 | 0.84 | 24 | 0.24 | 0.73 | 0.043 | |
Average | 0.59 | 0.77 | 0.83 | 0.31 | 0.75 | 0.051 | |||
P. hermaphroditus | 20 | 18 | 1.04 | 1.30 | 0.89 | 4 | 0.77 | 0.85 | 0.050 |
30 | 16 | 1.01 | 1.31 | 0.89 | 6 | 0.81 | 0.84 | 0.053 | |
40 | 14 | 0.91 | 1.19 | 0.88 | 8 | 0.79 | 0.85 | 0.040 | |
50 | 11 | 0.94 | 1.24 | 0.89 | 11 | 0.56 | 0.83 | 0.043 | |
Average | 0.97 | 1.26 | 0.89 | 0.73 | 0.84 | 0.046 | |||
H. vitticollis | 20 | 42 | 0.51 | 0.64 | 0.80 | 10 | 0.26 | 0.71 | 0.063 |
30 | 37 | 0.49 | 0.64 | 0.80 | 15 | 0.38 | 0.74 | 0.053 | |
40 | 32 | 0.49 | 0.64 | 0.81 | 20 | 0.32 | 0.72 | 0.046 | |
50 | 26 | 0.52 | 0.72 | 0.83 | 26 | 0.24 | 0.71 | 0.042 | |
Average | 0.50 | 0.66 | 0.81 | 0.30 | 0.72 | 0.051 | |||
H. smithii | 20 | 38 | 0.84 | 1.03 | 0.87 | 9 | 0.74 | 0.83 | 0.062 |
30 | 33 | 0.85 | 1.05 | 0.87 | 14 | 0.73 | 0.83 | 0.048 | |
40 | 29 | 0.84 | 1.07 | 0.88 | 18 | 0.70 | 0.82 | 0.042 | |
50 | 24 | 0.90 | 1.16 | 0.89 | 23 | 0.52 | 0.80 | 0.042 | |
Average | 0.86 | 1.08 | 0.88 | 0.67 | 0.82 | 0.048 | |||
H. edwardsii | 20 | 26 | 1.26 | 1.53 | 0.92 | 6 | 0.95 | 0.86 | 0.058 |
30 | 23 | 1.24 | 1.54 | 0.93 | 9 | 0.93 | 0.87 | 0.043 | |
40 | 20 | 1.18 | 1.51 | 0.93 | 12 | 1.07 | 0.88 | 0.034 | |
50 | 16 | 1.28 | 1.63 | 0.93 | 16 | 0.88 | 0.86 | 0.036 | |
Average | 1.24 | 1.55 | 0.93 | 0.96 | 0.87 | 0.043 |
The model performance was computed on different test data set.