SVM 模型中的错误:预处理方法仅限于:BoxCox、R 中的 YeoJohnson
Error in SVM model: Pre-processing methods are limited to: BoxCox, YeoJohnson in R
我正在尝试 运行 SVM 模型,但出现错误:
错误:预处理方法仅限于:BoxCox, YeoJohnson, expoTrans, invHyperbolicSine, center, scale, range, knnImpute, bagImpute, medianImpute, pca, ica, spatialSign , 忽略, 保留, 移除, zv, nzv, conditionalX, corr
我不明白哪里出了问题。
svm.model_unigrams = train(outcome ~.
, data = training_set_unigrams
, trControl = training_controls
, method = "svmRadial"
, preProcess = (training_set_unigrams, method = c("center", "scale"))
, na.action = na.pass)
由于你没有提供任何数据,所以,我使用IRIS数据。
library(caret)
data(iris)
svm.model_unigrams = train(Species ~., data = iris,
trControl = trainControl(method = "cv",
number = 5,
allowParallel = TRUE),
method = "svmRadial",
preProc = c("center", "scale"),
na.action = na.pass)
同样,您可以使用其他方法,例如
train(Species ~., data = iris,
trControl = trainControl(method = "cv",
number = 5,
allowParallel = TRUE),
method = "svmRadial",
preProc = c("BoxCox"),
na.action = na.pass)
我正在尝试 运行 SVM 模型,但出现错误:
错误:预处理方法仅限于:BoxCox, YeoJohnson, expoTrans, invHyperbolicSine, center, scale, range, knnImpute, bagImpute, medianImpute, pca, ica, spatialSign , 忽略, 保留, 移除, zv, nzv, conditionalX, corr
我不明白哪里出了问题。
svm.model_unigrams = train(outcome ~.
, data = training_set_unigrams
, trControl = training_controls
, method = "svmRadial"
, preProcess = (training_set_unigrams, method = c("center", "scale"))
, na.action = na.pass)
由于你没有提供任何数据,所以,我使用IRIS数据。
library(caret)
data(iris)
svm.model_unigrams = train(Species ~., data = iris,
trControl = trainControl(method = "cv",
number = 5,
allowParallel = TRUE),
method = "svmRadial",
preProc = c("center", "scale"),
na.action = na.pass)
同样,您可以使用其他方法,例如
train(Species ~., data = iris,
trControl = trainControl(method = "cv",
number = 5,
allowParallel = TRUE),
method = "svmRadial",
preProc = c("BoxCox"),
na.action = na.pass)