

如题和如图,怎么判断第一个spike是几呀?
-15 65.815538 0.03960 | . |*. |
-14 -119.488 -.07189 | .*| . |
-13 143.728 0.08647 | . |** |
-12 -174.996 -.10528 | **| . |
-11 182.528 0.10981 | . |** |
-10 -149.314 -.08983 | **| . |
-9 139.534 0.08395 | . |** |
-8 -150.689 -.09066 | **| . |
-7 157.511 0.09476 | . |** |
-6 -163.391 -.09830 | **| . |
-5 139.473 0.08391 | . |** |
-4 -171.128 -.10296 | **| . |
-3 168.468 0.10136 | . |** |
-2 -157.566 -.09480 | **| . |
-1 156.506 0.09416 | . |** |
0 270.815 0.16293 | . |*** |
1 -234.105 -.14084 | ***| . |
2 264.918 0.15938 | . |*** |
3 -251.847 -.15152 | ***| . |
4 231.121 0.13905 | . |*** |
5 -255.068 -.15346 | ***| . |
6 235.900 0.14193 | . |*** |
7 -206.509 -.12424 | **| . |
8 205.139 0.12342 | . |** |
9 -208.222 -.12527 | ***| . |
10 236.739 0.14243 | . |*** |