我做了一个名为"salutation“的函数,它应该返回一个带有性别和名字变化的问候语。性被定义为"M“或"F”。我尝试更改参数并将x <-添加到语句中,但没有得到我想要的结果。else {if (sex == "F"){x <- "Ms."}}
{paste0("Greetings", sex, name,", How are you today?&q
如果满足某一条件,如何更改列及其列名的输出值?假设我有表A,它有3列id,问候语,姓名,姓氏,性别select * from Aselecteverything, if the gender is Male, then set salutation to Mr. else, set salutation to Ms. but then changethe salutation