R 计算logistic回归模型预测误差时的误差
我收到以下错误:$运算符对原子向量无效。我在尝试计算逻辑回归模型的预测误差时得到了误差 以下是我正在使用的代码和数据:R 计算logistic回归模型预测误差时的误差,r,logistic-regression,predict,R,Logistic Regression,Predict,我收到以下错误:$运算符对原子向量无效。我在尝试计算逻辑回归模型的预测误差时得到了误差 以下是我正在使用的代码和数据: install.packages("ElemStatLearn") library(ElemStatLearn) # training data train = vowel.train # only looking at the first two classes train.new = train[1:3] # test data test = vowel.test tes
install.packages("ElemStatLearn")
library(ElemStatLearn)
# training data
train = vowel.train
# only looking at the first two classes
train.new = train[1:3]
# test data
test = vowel.test
test.new = test[1:3]
# performing the logistic regression
train.new$y <- as.factor(train.new$y)
mylogit <- glm(y ~ ., data = train.new, family = "binomial")
train.logit.values <- predict(mylogit, newdata=test.new, type = "response")
# this is where the error occurs (below)
train.logit.values$se.fit
install.packages(“ElemStatLearn”)
图书馆(ElemStatLearn)
#训练数据
train=元音
#只看前两节课
train.new=列车[1:3]
#测试数据
测试=元音测试
test.new=测试[1:3]
#进行逻辑回归
训练。预测中新增$y添加se=TRUE
真棒,谢谢。现在我有了标准误差。要获得错误分类率,我将如何进行?搜索是您的朋友,请参阅