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R함수 basic002 : apply(),lapply(),sapply(),tapply() ,rep , matrix 사용법

# install.packages("installr") # install.packages('RmecabKo') # C++ 기반으로 함, # install.packages("ggplot2") # install.packages("readxl") # install.packages("dplyr") # install.packages("rJava") ## testData is mpg library(installr) library(ggplot2) # mpg library(readxl) library(dplyr) library(rJava) ## tt: apply(),lapply(),sapply(),tapply() ,rep , matrix , apply #####################################..
Python/R 2020. 6. 3. 18:42
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