Bab 1 Descriptive Visualization

1.1 Combo

1.1.1 Heatmap

1.2 Relationship

1.2.1 Scatter Plot

1.2.2 Bubble Chart

1.2.3 Correlation Matrix

## Warning in cor(num_data, use = "complete.obs", method = "pearson"): the
## standard deviation is zero

1.3 Time Series

1.3.1 Line Chart

1.3.2 Area Chart