问题描述
我第一次在 Rstudio 上使用 Package H2o 时,我收到了以下关于 Ridge 模型的消息
Error: water.exceptions.H2OConcurrentModificationException: Rollups not possible,because Vec was deleted
这是我使用的代码,不幸的是我无法共享我的数据库,因为它是机密的
library(h2o)
h2o.init(nthreads = -1)
h2o.no_progress()
learn.h2o<-as.h2o(learn_preppeds)
test.h2o<-as.h2o(test_preppeds)
Lambda<- 10^seq(-3,3,length = 100)
x <- setdiff(colnames(learn.h2o),c("NBCLaim","Offset"))
y <- "NBCLaim" # Target variable
offset <- "Offset" # log(exposure)
glm_fit_ridge<-h2o.glm(
x = x,y = y,offset_column = offset,training_frame = learn.h2o,validation_frame = test.h2o,family = "poisson",link = 'log',nfolds= 10,# 10 fold cross-validation
alpha = 0,lambda =Lambda,interactions= interactions_list,keep_cross_validation_predictions = TRUE,seed = 2 # For reproducibility)