我正在尝试将网络累积分布的对数图拟合到以下三种模型之一：指数（EXP）（$P(k)\sim e^{-ak}$), 指数截断幂律 (TRU) ($P(k)\sim k^{a-1}e^{k/k_c}$) 和幂律 (POWER) ($P(k)\sim k^{-a}$）。我知道这是一个低信息测试，但我只是想确定三个模型中哪一个最适合（或者可能是最不适合的！）

我意识到 TRU 有 2 个自由度，而 EXP 和 POWER 只有 1 个自由度。

我在 R 中有以下数据：

logCPK<-c(0, -0.0014, -0.0038, -0.0056, -0.007, -0.013, -0.0165, -0.0222,     
-0.0261, -0.0354, -0.0478, -0.0581, -0.0714, -0.0846, -0.1068, -0.1205, 
-0.1403, -0.1638, -0.1837, -0.2091, -0.2265, -0.2517, -0.2766, -0.3121, 
-0.3381, -0.3744, -0.4079, -0.4485, -0.4869, -0.5326, -0.5881, -0.6383, 
-0.6959, -0.7586, -0.8199, -0.8853, -0.9624, -1.0352, -1.1341, -1.2294, 
-1.3521, -1.4982, -1.6824, -1.892, -2.182)

dataPOW<-c(0.3387, 0.2175, 0.1197, 0.0441, -0.0198, -0.0777, -0.1262, 
-0.1717, -0.2108, -0.2482, -0.281, -0.3113, -0.341, -0.3673, -0.3921, 
-0.4167, -0.4387, -0.4607, -0.4806, -0.4996, -0.5187, -0.536, -0.5535, 
-0.5695, -0.5856, -0.6004, -0.6154, -0.6292, -0.6426, -0.6561, -0.6686, 
-0.6808, -0.6932, -0.7046, -0.7158, -0.7272, -0.7383, -0.7486, -0.7586, 
-0.7689, -0.7785, -0.7883, -0.7974, -0.8064, -0.8155)

dataEXP<-c(0.1981, 0.168, 0.1364, 0.1063, 0.0762, 0.0445, 0.0144, -0.0172, 
-0.0473, -0.0789, -0.109, -0.1391, -0.1707, -0.2008, -0.2309, -0.2625, 
-0.2926, -0.3243, -0.3544, -0.3845, -0.4161, -0.4462, -0.4778, -0.5079, 
-0.5395, -0.5696, -0.6012, -0.6313, -0.6614, -0.6931, -0.7232, -0.7533, 
-0.7849, -0.815, -0.8451, -0.8767, -0.9083, -0.9384, -0.9685, -1.0001, 
-1.0302, -1.0619, -1.092, -1.1221, -1.1537)

dataTRU<-c(-0.1867, -0.0857, -0.0193, 0.0204, 0.0443, 0.057, 0.0602, 
0.0562, 0.0467, 0.0319, 0.0139, -0.0073, -0.0327, -0.0592, -0.088, -0.1202, 
-0.1525, -0.1881, -0.2234, -0.26, -0.2995, -0.3383, -0.38, -0.4205, -0.464, 
-0.5062, -0.5512, -0.5947, -0.6388, -0.6858, -0.731, -0.7767, -0.8253, 
-0.8719, -0.919, -0.9689, -1.0191, -1.0674, -1.116, -1.1673, -1.2165, 
-1.2685, -1.3183, -1.3684, -1.4212)

所以我的问题是，我怎样才能得到这三个模型的 AIC 值？

我已阅读但不完全理解 的文档AIC()，其一般语法为：AIC(object, ..., k = 2)。

不明白我在做什么，我在 R 中尝试过命令，比如：

> AIC(logCPK~dataPOW)
Error in UseMethod("logLik") : 
  no applicable method for 'logLik' applied to an object of class "formula"

如何AIC用上述数据计算？