vector

cara membuat data dalam bentuk victor.

#create simple data
X <- c(15,17,19,20,22,40,25,50)
Y <- c(150,200,235,220,300,310,400)
#print sample
X
## [1] 15 17 19 20 22 40 25 50
Y 
## [1] 150 200 235 220 300 310 400

simple linear regresion

Y = a + bx

Y = 170 + 17x ## scatter plot

plot(Y - X, ylan="Y" , pch=20)
## Warning in Y - X: longer object length is not a multiple of shorter object
## length
## Warning in plot.window(...): "ylan" is not a graphical parameter
## Warning in plot.xy(xy, type, ...): "ylan" is not a graphical parameter
## Warning in axis(side = side, at = at, labels = labels, ...): "ylan" is not a
## graphical parameter
## Warning in axis(side = side, at = at, labels = labels, ...): "ylan" is not a
## graphical parameter
## Warning in box(...): "ylan" is not a graphical parameter
## Warning in title(...): "ylan" is not a graphical parameter
#systematic Relationship to the plot 

abline(a = 310, b= -40)