r语言reshape2melt函数r语言residual函数 (一)目录 文章目录3.35 线性回归(一)3:26接上节内容2:多项式回归(多个变量)**3.29 正则表达式(一)***3.30正则表达式-字符处理函数(二)***4.1 jiebar分词***4.3:R语言与bp神经网络***4.3决策数原理**4.3R语言与决策树-CART算法 3.35 线性回归(一)lm(formula, data=...
# R program to reshape data frame# Loading librarylibrary(reshape)# Creating a data framea <- data.frame(id= c("1","1","2","2"), points = c("1","2","1","2"), x1 = c("5","3","6","2"), x2 = c("6","5","1","4")) a# Callingmelt() Functionm <-melt(a...
mymethod <- function(x, ...) UseMethod("mymethod") mymethod.a <- function(x) print("Using A") mymethod.b <- function(x) print("Using B") mymethod.default <- function(x) print("Using Default") x <- 1:5 y <- 6:10 z <- 10:15 class(x) <- "a" class(y) <- "b" ...
getAnywhere("melt.matrix")[1] function (data, varnames = names(dimnames(data)), ...) { values <- as.vector(data) dn <- dimnames(data) if (is.null(dn)) dn <- vector("list", length(dim(data))) dn_missing <- sapply(dn, is.null) dn[dn_missing] <- lapply(dim(data), funct...
I. R melt() function Themelt() functionin R programming is an in-built function. It enables us to reshape and elongate thedata framesin a user-defined manner. It organizes the data values in a long data frame format. Have a look at the below syntax!
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分治思想，也就是分而治之，将一个复杂的大问题可以分解成若干个子问题，子问题解决后，经过合并，最终...
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安装了reshape包，但是melt函数还是找不到，复制以下源代码，运⾏以下就可以了。转载关于R语⾔ reshape⾥的melt源代码http://bbs.pinggu.org/thread-4191070-1-1.html # Melt # Melt an object into a form suitable for easy casting.# # This the generic melt function. See the following functions #...
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