r语言S-AIC代码
时间: 2023-12-27 08:03:37 浏览: 34
在R语言中,计算S-AIC(模型的赤池信息准则)的代码如下所示:
```
# 定义模型的残差平方和
SSR <- sum(residuals(model)^2)
# 获取观察数
n <- length(response_variable)
# 获取模型中参数的数量
k <- length(coef(model))
# 计算S-AIC
S_AIC <- 2 * k + n * log(SSR / n)
```
上述代码中,你需要替换`model`和`response_variable`为你所使用的具体模型和响应变量的名称。这段代码将计算模型的残差平方和,观察数以及参数数量,并将它们代入S-AIC的计算公式中得出S-AIC的值。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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