In R, thecbind()function is a powerful tool for combining vectors, matrices, and data frames by column. This can be useful when you want to add new variables or observations to an existing data set, or when you need to merge data from different sources. In this article, we’ll explore...
#ifelse(条件,若T则执行该条语句,若F则执行该条语句) msg <- function(name, factors) { ifelse( length(factors) == 1, paste(name, "is prime"), paste(name, "has factors", toString(factors)) ) } mapply(msg, names(prime_factors), prime_factors) 1. 2. 3. 4. 5. 6. 7. 8. 9....
答：白噪声是指功率谱密度在整个频域内均匀分布的噪声。白噪声或白杂讯，是一种功率频谱密度为常...
R语言常用基础函数:使用edit函数调用数据编辑器手动自定义编辑数据对象不改变原始数据对象内容、使用fix函数调用数据编辑器手动自定义编辑数据对象并直接覆盖原数据内容 newobject <- edit(mynew) #edit copy and save as newobject fix(mynew) # edit in place 安利一个R语言的优秀博主及其CSDN专...