Error: You should have at least two distinct break values. Value cannot be null. (Parameter ‘s’)

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Error in eval(family$initialize) : y值必需满足0 <= y <= 1

Error in gbm.unify(model, data):Models built on data with categorical features are not supported – please encode them before training.

Error in ifelse(decision_type %in% c(“>=”, “>”), ret.second(split_index), :Unknown decision_type

Error in matchit(as.formula(formu), data = table.unmatched, method = inner_method, :请检查表格变量类型是否符需要转换，变量值是否需要插补空值，变量名是否存在非法字符！