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[英]Error in terms.formula(formula) : '.' in formula and no 'data' argument
[英]r language question: Error in terms.formula(formula, data = data) : '.' in formula and no 'data' argument
我正在使用https://archive.ics.uci.edu/ml/machine-learning-databases/heart-disease/ prcocessed.cleveland.data 做隨機森林
sample = sample.split(processed_cleveland$num, SplitRatio = .75)
train = subset(processed_cleveland, sample == TRUE)
test = subset(processed_cleveland, sample == FALSE)
rf <- randomForest(
num ~ .,
processedcleveland=train
)
然后它顯示
Error in terms.formula(formula, data = data) :
'.' in formula and no 'data' argument
我不知道如何解決
問題是randomForest
function 需要一個名為data
的參數,但您正試圖將您的數據train
傳遞給一個名為processedcleveland
的參數。
這應該解決它:
rf <- randomForest(
num ~ .,
data=train
)
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