R 使用lappy在数据帧的行中循环,并根据数据帧中存储的值命名对象
我有一个数据框,如下所示:R 使用lappy在数据帧的行中循环,并根据数据帧中存储的值命名对象,r,R,我有一个数据框,如下所示: dat <- data.frame(ALIAS = c("Bill_Query", "Bob_Query", "Bernardo_Query", "Becky_Query", "Betsy_Query", "Xander_Query"), FOOD = c("Apples", "Oranges", "Bananas",
dat <- data.frame(ALIAS = c("Bill_Query", "Bob_Query", "Bernardo_Query",
"Becky_Query", "Betsy_Query", "Xander_Query"),
FOOD = c("Apples", "Oranges", "Bananas",
"Kiwi", "Pear", "Steak Tartare"))
然后回来:
"SELECT * FROM Apples"
有人能帮我一下,告诉我怎么做吗
谢谢 尝试命名您的列表:
名称(查询)查询[[“账单查询”]]
[1] “从票据查询中选择*”
还有一个提示:dat[x,2]
queries[["Bill_Query"]
"SELECT * FROM Apples"