Dataset 1 Tugas 1 Regnon

#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)

## Warning: package 'ggplot2' was built under R version 4.5.3

ggplot(data, aes(x = X1, y = Y)) +
  geom_point(color = "hotpink", size = 2) +
  geom_smooth(method = "lm", se = FALSE,
              color = "springgreen4", linewidth = 1.2) +
  ggtitle("Scatter Plot Antara Variabel X1 dan Y") +
  ylab("Y") +
  xlab("X1") +
  theme(plot.title = element_text(hjust = 0.5))

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

ggplot(data, aes(x = X2, y = Y)) +
  geom_point(color = "salmon", size = 2) +
  geom_smooth(method = "lm", se = FALSE,
              color = "steelblue", linewidth = 1.2) +
  ggtitle("Scatter Plot Antara Variabel X2 dan Y") +
  ylab("Y") +
  xlab("X2") +
  theme(plot.title = element_text(hjust = 0.5))

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

ggplot(data, aes(x = X3, y = Y)) +
  geom_point(color = "slateblue", size = 2) +
  geom_smooth(method = "lm", se = FALSE,
              color = "firebrick1", linewidth = 1.2) +
  ggtitle("Scatter Plot Antara Variabel X3 dan Y") +
  ylab("Y") +
  xlab("X3") +
  theme(plot.title = element_text(hjust = 0.5))

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