功能:編寫(xiě)的計(jì)算皮亞諾相關(guān)系數(shù)
開(kāi)發(fā)語(yǔ)言:Ruby
調(diào)用:correlate(x,y)
其中,x,y為需要計(jì)算相關(guān)度的向量
調(diào)用示例:
a = [3, 6, 9, 12, 15, 18, 21]
b = [1.1, 2.1, 3.4, 4.8, 5.6]
c = [1.9, 1.0, 3.9, 3.1, 6.9]
c1 = correlate(a,a) # 1.0
c2 = correlate(a,a.reverse) # -1.0
c3 = correlate(b,c) # 0.8221970228
puts c1#,c2,c3
標(biāo)簽:
correlate
Ruby
計(jì)算
12
上傳時(shí)間:
2013-12-18
上傳用戶:skfreeman