RUN图的疑问----跪请大大解答

O大师，S兄…………快快来援手！！！！

兄弟做了一个RUN图，但图下生成的东东不认识，V;V;V;V;V;
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Number of runs about median: 15
Expected number of runs: 13.48000
Longest run about median: 3
Number of runs up or down: 16
Expected number of runs: 16.33333
Longest run up or down: 2
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请教各位大大，上面的东东代表什么意思？是怎么计算出来的？
W;W;W;W;W;W;W;