Urban Green Space Planning and Design for Sponge City

Table 6

Test sample error.

Sample number	2	11	17	23
Patch density	18.9952	−1.2040	−0.9760	0.0170
Shannon diversity index	−729.0094	307.9940	−0.1029	−0.5096
Average perimeter area ratio	−0.8021	0.0965	0.2189	−0.0088
Spread degree	−17.0065	3.9957	−0.2045	−0.0127