CALL
dummy_func(bank,job) # never picks the column variable
# bank is the table where job is column name
功能
dummy_func <- function(x, y) {
for (level in unique(x$y)) {
output<- bank[paste("dummy", level, sep = "_")] <- ifelse(x$y ==level, 1, 0)
}
return(output)
}
答案 0 :(得分:0)
如果您想传递数据帧&amp;列名作为函数的参数,然后用x [y]替换x $ y并将作业传递给dummy_func(bank,&#34; job&#34;)。
试试这段代码:
library(datasets)
data = iris
colnames(data)
y = "Species"
unique(data[y])
dummy_func <- function(x, y) {
return(unique(x[y]))
}
dummy_func(data, y)
dummy_func(data, "Species")
如果你正在做x $ y,它会尝试寻找银行$ y而不是银行$ job。