一、介绍

Turn unevaluated expressions into character strings.

将表达式转换为字符串

二、用法

deparse(expr, width.cutoff = 60L,
        backtick = mode(expr) %in%
            c("call", "expression", "(", "function"),
        control = c("keepInteger", "showAttributes", "keepNA"),
        nlines = -1L)

三、例子