Table 3.
Descriptive statistics of silica NM-202
| Column | n | Mean | SD | SEM | Max | Min | Median | 25% | 75% |
|---|---|---|---|---|---|---|---|---|---|
| Area (nm²) |
4248 |
4039 |
9319 |
142 |
177792 |
35 |
1127 |
422 |
3335 |
| Convex Area (nm²) |
4248 |
7375 |
20734 |
318 |
445959 |
37 |
1536 |
531 |
5086 |
| Rectangle Max (nm²) |
4248 |
12683 |
36710 |
563 |
817213 |
58 |
2549 |
874 |
8562 |
| Rectangle Mean (nm²) |
4248 |
11409 |
32793 |
503 |
737974 |
53 |
2305 |
798 |
7764 |
| Rectangle Min (nm²) |
4248 |
9785 |
28110 |
431 |
671026 |
46 |
2014 |
697 |
6673 |
| ECD (nm) |
4248 |
53,2 |
48,0 |
0,7 |
475,7 |
6,7 |
37,8 |
23,1 |
65,1 |
| Feret Max (nm) |
4248 |
90,0 |
96,0 |
1,0 |
1006,0 |
7,0 |
58,0 |
33,0 |
107,0 |
| Feret Mean (nm) |
4248 |
74,0 |
78,0 |
1,0 |
865,0 |
7,0 |
48,0 |
28,0 |
88,0 |
| Feret Min (nm) |
4248 |
55,1 |
56,7 |
0,8 |
675,9 |
4,1 |
37,2 |
21,5 |
65,8 |
| New Radius of Inner Circle (nm) |
4248 |
11,24 |
5,97 |
0,09 |
51,74 |
2,09 |
9,87 |
6,87 |
14,05 |
| Central Distance Max (nm) |
4248 |
48,4 |
52,9 |
0,8 |
590,2 |
3,7 |
31,0 |
17,5 |
57,6 |
| Central Distance Mean (nm) |
4248 |
28,3 |
27,5 |
0,4 |
289,7 |
3,1 |
19,3 |
11,7 |
34,2 |
| Central Distance Min (nm) |
4248 |
6,94 |
6,64 |
0,10 |
84,15 |
0,03 |
5,23 |
2,86 |
8,59 |
| Diameter Max (nm) |
4248 |
89,0 |
96,0 |
1,0 |
1006,0 |
7,0 |
58,0 |
33,0 |
107,0 |
| Diameter Mean (nm) |
4248 |
79,0 |
85,0 |
1,0 |
914,0 |
7,0 |
51,0 |
29,0 |
94,0 |
| Diameter Min (nm) |
4248 |
57,3 |
59,8 |
0,9 |
714,8 |
4,2 |
38,5 |
22,1 |
68,3 |
| Convex Perimeter (nm) |
4248 |
245 |
259 |
3 |
2849 |
21 |
158 |
91 |
291 |
| Perimeter (nm) |
4248 |
468 |
865 |
13 |
17955 |
21 |
197 |
99 |
453 |
| Aspect Ratio |
4248 |
1,596 |
0,367 |
0,005 |
3,811 |
1,032 |
1,518 |
1,327 |
1,793 |
| Convexity |
4248 |
0,726 |
0,128 |
0,001 |
0,991 |
0,302 |
0,730 |
0,635 |
0,823 |
| Elongation |
4248 |
1,805 |
0,548 |
0,008 |
5,474 |
1,000 |
1,679 |
1,403 |
2,081 |
| Shape Factor |
4248 |
0,386 |
0,231 |
0,003 |
0,966 |
0,006 |
0,354 |
0,192 |
0,557 |
| Sphericity | 4248 | 0,383 | 0,193 | 0,002 | 0,988 | 0,033 | 0,355 | 0,231 | 0,508 |