R Markdown

This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com.

When you click the Knit button a document will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:

summary(cars)

##      speed           dist       
##  Min.   : 4.0   Min.   :  2.00  
##  1st Qu.:12.0   1st Qu.: 26.00  
##  Median :15.0   Median : 36.00  
##  Mean   :15.4   Mean   : 42.98  
##  3rd Qu.:19.0   3rd Qu.: 56.00  
##  Max.   :25.0   Max.   :120.00

mean(cars$speed)

## [1] 15.4

Including Plots

You can also embed plots, for example:

library(ggplot2)
qplot(data = mpg, x = drv, fill = drv)

Note that the echo = FALSE parameter was added to the code chunk to prevent printing of the R code that generated the plot.

이 부분은 나현수의 홈페이지에 관한 부분입니다.

뭔가 실수를 하면 지우는 기능은 이것입니다.

나현수의 홈페이지는 다음과 같습니다.

이번 숙제는 mean() 함수를 익히기 위한 것입니다.