机器学习分类模型SE：Error in self$assert(xs, sanitize = TRUE) :Assertion on ‘xs’ failed: num.threads: May not be NA

Error in if (series_types_datafarme$type[series_types_datafarme$var == : argument is of length zero

在回归分析中，如何修改分类变量的参照/参考/ref因子

分类、分箱常用方法

Error in readRDS(model URl port) : ‘file’◆◆◆◆◆◆◆

报错信息：Merge keys are not unique in left dataset, not a one-to-many merge

Lasso回归-生存状态：Error in coxnet(xd, is.sparse, ix, jx, y, weights, offset, alpha, nobs, :NA/NaN/Inf in foreign function call (arg 4)