我正在尝试保存h2o
包中的一个h2o.automl
中的所有模型。目前,我可以使用h2o.saveModel(aml@leader, path = "/home/data/user")
保存单个模型。
如何保存所有模型?
以下是我在样本数据集上的尝试:
library(h2o)
h2o.init()
prostate.hex <- h2o.importFile(path = paste("https://raw.github.com",
"h2oai/h2o-2/master/smalldata/logreg/prostate.csv", sep = "/"),
destination_frame = "prostate.hex")
从Github获取数据或通过
readr
导入数据: library(readr)
prostate <- read_csv("/home/data/user/prostate.csv")
prostate.hex<- as.h2o(prostate, "prostate.hex")
aml <- h2o.automl(y = "CAPSULE", x = c("AGE","RACE","PSA","DCAPS"),
training_frame = prostate.hex,
max_runtime_secs = 180,
exclude_algos = c("StackedEnsemble")
)
现在,我正在尝试将模型保存在aml
中:
mod_ids <- as_tibble(aml@leaderboard$model_id)
现在我无法弄清楚如何保存模型:
for(i in 1:nrow(mod_ids)) {
print(mod_ids[i,])
#h2o.saveModel(object = aml@leaderboard[[i]], "/home/data/user/")
}
这是我尝试过的内容: