Tugas Regnon Scatter Plot Dataset 1

library(ggplot2)
# Input Data
data <- read.table(file.choose(), header = TRUE)
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

# a. Scatter X1 dan Y
ggplot(data, aes(x = X1, y = Y)) +
  geom_point(color = "red", size = 3) +
  geom_smooth(method = "lm", se = FALSE,
              color = "cyan", linetype = "twodash") +
  labs(
    title = "Scatter Plot X1 dan Y",
    x = "X1", y = "Y"
  ) +
  scale_x_continuous(breaks = seq(65, 105, 2)) +
  scale_y_continuous(breaks = seq(52, 72, 1)) +
  theme_minimal()

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

# b. Scatter X2 dan Y
ggplot(data, aes(x = X2, y = Y)) +
  geom_point(color = "green", size = 3) +
  geom_smooth(method = "lm", se = FALSE,
              color = "red", linetype = "twodash") +
  labs(
    title = "Scatter Plot X2 dan Y",
    x = "X2", y = "Y"
  ) +
  scale_x_continuous(breaks = seq(2, 6, 0.5)) +
  scale_y_continuous(breaks = seq(52, 72, 1)) +
  theme_minimal()

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

# c. Scatter X3 dan Y
ggplot(data, aes(x = X3, y = Y)) +
  geom_point(color = "yellow", size = 3) +
  geom_smooth(method = "lm", se = FALSE,
              color = "blue", linetype = "twodash") +
  labs(
    title = "Scatter Plot X3 dan Y",
    x = "X3", y = "Y"
  ) +
  scale_x_continuous(breaks = seq(25, 40, 1)) +
  scale_y_continuous(breaks = seq(52, 72, 1)) +
  theme_minimal()

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