basic

install.packages("gmodels", lib="/path/to/library")

library(gmodels)

detach(package:gmodels, unload=TRUE)

 

날짜변환

t <-read.csv("test.csv", header=FALSE, stringsAsFactors = FALSE)

colnames(t)[1] <- "dd"
colnames(t)[2] <- "val"

str(t)

t$dd <-as.Date(as.character(t$dd), format="%Y%m%d")

plot(t)

 

 

r studio

default package folder

.libPaths()