Report from program 9-14

Develop a script in R to calculate and visualize a correlation matrix for a given dataset, with color-coded cells indicating the strength and direction of correlations, using ggplot2’s geom_tile function.

Write a R program to create multiple dot plots for grouped data, comparing the distributions of variables across different categories, using ggplot2's position dodge function.

PROGRAM 7

all grpah plotting from program 9 to 15

Develop a script in R to create a violin plot displaying the distribution of a continuous variable, with separate violins, using ggplot2.

Write a R program to generate a basic box plot, enhance with notches and outliers ,and grouped by a categorical variable,using ggplot2

Develop an R function to draw a density curve representing the probability density function of a continuous variable, with separate curves for each group, using ggplot2.

Analisis ini bertujuan untuk mengevaluasi performa dan segmentasi wilayah berdasarkan jenis produk (Product Type) menggunakan metode klasterisasi K-Means dengan pendekatan Elbow Method. Melalui teknik ini, wilayah-wilayah dikelompokkan ke dalam segmen-segmen homogen berdasarkan indikator performa produk, sehingga memudahkan dalam pengambilan keputusan strategis yang berbasis data.