Statistics

How to install packages in R.

Packages

Use “install.packages” to install packages in R to make italic statistics.

to make bold probability

to add code

# How to install packages in R

x<-c(21,12,13,14,15)
mean(x)
## [1] 15
median(x)
## [1] 14
range(x)
## [1] 12 21
mode(x)
## [1] "numeric"
sd(x)
## [1] 3.535534
var(x)
## [1] 12.5
summary(x)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##      12      13      14      15      15      21
# Data Visualization 
# Histogram, Box plot , Density, Polygon
# Vioplot , Beanplot , Beeswarm
y<-c(12,12,12,13,21,23,24,25,18,19,20,21)
windows()
hist(y)

windows()
boxplot(y)

z<-c(12,12,12,13,21,23,24,25,18,19,20,21,89)
windows()
boxplot(z)

windows()
plot(density(y))
windows()
plot(density(y))
polygon(density(y),col = "red")

windows()
hist(y,col="green",xlab = "age",ylab="weight",
     main="medical statistics group")

windows()
boxplot(y,col="blue",xlab = "age",ylab="weight",
        main="medical statistics group")

windows()
plot(density(y))
polygon(density(y), col="magenta",border="black",
        xlab = "age",ylab="weight",
        main="medical statistics group")