Tugas 2 (Regresi Nonparametrik)

#Memanggil Data
data = read.table(file.choose(), header = T)
data

##      Y  X1   X2   X3
## 1 57.5  78 2.75 29.5
## 2 52.8  69 2.15 26.3
## 3 61.3  77 4.41 32.2
## 4 67.0  88 5.52 36.5
## 5 53.5  67 3.21 27.2
## 6 62.7  80 4.32 27.7
## 7 56.2  74 2.31 28.3
## 8 68.5  94 4.30 30.3
## 9 69.2 102 3.71 28.7

library(ggplot2)

#Visualisasi Scatter Plot X1 dan Y
ggplot(data,aes(x=X1, y=Y)) + geom_point() + geom_smooth(method = lm, se = F, colour = "red") + 
  scale_x_continuous(breaks = seq(60, 100, by = 2)) +  scale_y_continuous(breaks = seq(50, 75, by = 2))

## `geom_smooth()` using formula = 'y ~ x'

#Visualisasi Scatter Plot X2 dan Y
ggplot(data,aes(x=X2, y=Y)) + geom_point() + geom_smooth(method = lm, se = F, colour = "red") +
  scale_x_continuous(breaks = seq(1.99, 5.99, by = 0.2)) +  scale_y_continuous(breaks = seq(50, 75, by = 2))

## `geom_smooth()` using formula = 'y ~ x'

#Visualisasi Scatter Plot X3 dan Y
ggplot(data,aes(x=X3, y=Y)) + geom_point() + geom_smooth(method = lm, se = F, colour = "red") + 
  scale_x_continuous(breaks = seq(26.0, 37.0, by = 1)) +  scale_y_continuous(breaks = seq(50, 75, by = 2))

## `geom_smooth()` using formula = 'y ~ x'