y=sin(10*pi)*exp(-0.3+4^2)+log(23,4)
y
x=sin(223/3)
y=x^2
z=y*10
x+2*y-5*z
x=seq(3,44,5.5)
x
x=seq(0,pi,length.out=15)
x
x=seq(0,pi,length=15)
x
numeric=c(100,200,200,200,400,600,600,600,800)
numeric
numeric=rep(c(100,200,400,600,800),c(1,3,1,3,1))
numeric
factor.numeric=as.factor(numeric)
class(numeric)
class(factor.numeric)
x=seq(2,50,2)
fuck=x
fuck
fuck=seq(2,50,2)
fuck[20]
fuck[fuck>40]
x=rep(1:5,5)
x
rep(0:4,c(5,5,5,5,5))
rep(0:4,each=5)
rep(3:1,c(3,4,5))
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