CW12825

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:

data <- c(1,2,3,4,5,6)
data

## [1] 1 2 3 4 5 6

VString <- c('a', 'b', 'c')
VString

## [1] "a" "b" "c"

headings <- list(NULL, c("a","b", "c"))
headings

## [[1]]
## NULL
## 
## [[2]]
## [1] "a" "b" "c"

m <- matrix(data, nrow=2, ncol=3, byrow=TRUE, dimnames=headings)
m

##      a b c
## [1,] 1 2 3
## [2,] 4 5 6

m2 <- matrix(data, nrow=2, ncol=3, byrow=FALSE, dimnames=headings)
m2

##      a b c
## [1,] 1 3 5
## [2,] 2 4 6

m3 <- matrix(data, nrow=3, ncol=3, byrow=TRUE, dimnames=headings)

## Warning in matrix(data, nrow = 3, ncol = 3, byrow = TRUE, dimnames = headings):
## data length differs from size of matrix: [6 != 3 x 3]

m3

##      a b c
## [1,] 1 2 3
## [2,] 4 5 6
## [3,] 1 2 3

m3[1,]

## a b c 
## 1 2 3

m3[,2]

## [1] 2 5 2

m3[3,2]

## b 
## 2

a <- list (aa=1, bb=2, cc=3)
a

## $aa
## [1] 1
## 
## $bb
## [1] 2
## 
## $cc
## [1] 3

a$aa

## [1] 1

years <- c(1980, 1985, 1990)
scores <- c(34,44,83)
df <- data.frame(years, scores)
df[,1]

## [1] 1980 1985 1990

df$years

## [1] 1980 1985 1990

df$scores

## [1] 34 44 83

View(df)

a <- 66
if (a > 55){
  print("a is more thans 55")} else{print("a is less than")}

## [1] "a is more thans 55"

a

## [1] 66

a<-100
while(a < 500){
  a <- a+100
  print(a)
}

## [1] 200
## [1] 300
## [1] 400
## [1] 500

a

## [1] 500

Including Plots

You can also embed plots, for example:

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