单因素亚组GLM回归：Error in purrr:map(var subgroups, ~TableSubgroupGLM(formula, var subgroup = Caused by error in TableSubgroupGLM):var suoaroup must categorica .

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

分类、分箱常用方法

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

导入数据：’utf-8′ codec can’t decode byte 0xa1 in position 10971: invalid start byte

在回归分析中，如何修改分类变量的参照/参考/ref因子

如何去除变量存在NA或者inf的样本