Write an R script to create a scatter plot, incorporating categorical analysis through color-coded data points representing different groups using ggplot2

This is an assignment for the Developing Data Products course at Coursera, which ask students to create a map using Leaflet package in R

The study focuses on a clinical trial investigating how repeated parental singing during kangaroo care improves neural processing of speech sound changes in preterm infants at term age. The plots cover emotional recognition, birth characteristics, neural responses, interaction effects, and statistical significance of various stimuli.